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Iván Roa

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Chile

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Annemarie Ziegler; Jorge A Brañes; Alejandro Corvalán; Iván Roa; Bernd Wollscheid
Teneurin protein family: an emerging role in human tumorigenesis and drug resistance.
Iván Roa; Xabier de Aretxabala; Soledad Lantadilla; Sergio Munoz
ERCC1 (excision repair cross-complementing 1) expression in pT2 gallbladder cancer is a prognostic factor.
Iván Roa; Xabier de Aretxabala; Gilda Ibacache; Sergio Muñoz
[Association between cholesterolosis and gallbladder cancer].

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All Publications

2012: Annemarie Ziegler; Jorge A Brañes; Alejandro Corvalán; Iván Roa; Bernd Wollscheid
Teneurin protein family: an emerging role in human tumorigenesis and drug resistance.
Cancer letters 2012;326(1):1-7.
2011: Iván Roa; Xabier de Aretxabala; Soledad Lantadilla; Sergio Munoz
ERCC1 (excision repair cross-complementing 1) expression in pT2 gallbladder cancer is a prognostic factor.
Histology and histopathology 2011;26(1):37-43.
2010: Iván Roa; Xabier de Aretxabala; Gilda Ibacache; Sergio Muñoz
[Association between cholesterolosis and gallbladder cancer].
Revista médica de Chile 2010;138(7):804-8.
2006: Pablo Guzmán; Juan Araya; Miguel Villaseca; Iván Roa; Angélica Melo; Sergio Muñoz; Juan Carlos Roa
[Immunohistochemical expression of the E-cadherin-catenin complex in gastric cancer].
Revista médica de Chile 2006;134(8):1002-9.
2006: Iván Roa; Gilda Ibacache; Juan Carlos Roa; Juan Araya; Xabier de Aretxabala; Sergio Muñoz
Gallstones and gallbladder cancer-volume and weight of gallstones are associated with gallbladder cancer: a case-control study.
Journal of surgical oncology 2006;93(8):624-8.
2006: Xabier de Aretxabala; Iván Roa; Marcela Berrios; Juan Hepp; Jorge Gallardo; Andres Cordova; Juan Carlos Roa; Jorge Leon; Fernando Maluenda
Chemoradiotherapy in gallbladder cancer.
Journal of surgical oncology 2006;93(8):699-704.
2006: Iván Roa; Xabier de Aretxabala; Juan Carlos Araya; Juan Carlos Roa
Preneoplastic lesions in gallbladder cancer.
Journal of surgical oncology 2006;93(8):615-23.
2006: Juan Carlos Roa; Oscar Tapia; Paula Carrasco; Enrique Contreras; Juan Carlos Araya; Sergio Muñoz; Iván Roa
Prognostic factors of phyllodes tumor of the breast.
Pathology international 2006;56(6):309-14.
2006: Juan Carlos Roa; Leonardo Anabalón; Iván Roa; Angélica Melo; Juan Carlos Araya; Oscar Tapia; Xabier de Aretxabala; Sergio Muñoz; Barbara Schneider
Promoter methylation profile in gallbladder cancer.
Journal of gastroenterology 2006;41(3):269-75.
2006: Xabier de Aretxabala; Iván Roa; Luis Burgos; Hector Losada; Juan Carlos Roa; Javier Mora; Juan Hepp; Jorge Leon; Fernando Maluenda
Gallbladder cancer: an analysis of a series of 139 patients with invasion restricted to the subserosal layer.
Journal of gastrointestinal surgery : official journal of the Society for Surgery of the Alimentary Tract 2006;10(2):186-92.
2005: Juan Carlos Roa; Leonardo Anabalón; Oscar Tapia; Angélica Melo; Xabier de Aretxabala; Iván Roa
[Frequency of K-ras mutation in biliary and pancreatic tumors].
Revista médica de Chile 2005;133(12):1434-40.
2005: Juan Carlos Roa; Leonardo Anabalón; Iván Roa; Oscar Tapia; Angélica Melo; Miguel Villaseca; Juan Carlos Araya
[Promoter methylation profile in gastric cancer].
Revista médica de Chile 2005;133(8):874-80.
2005: Angélica Melo; Iván Roa; Sonia Montenegro; Italo Capurro; Juan Carlos Roa
[Detection of human papilloma virus in cytologic samples or biopsies of the cervix].
Revista médica de Chile 2005;133(6):639-44.
2005: Juan Carlos Roa; Iván Roa; Pelayo Correa; Quynh N Vo; Juan Carlos Araya; Miguel Villaseca; Pablo Guzmán; Barbara G Schneider
Microsatellite instability in preneoplastic and neoplastic lesions of the gallbladder.
Journal of gastroenterology 2005;40(1):79-86.
2004: Juan Carlos Roa; Xabier de Aretxabala; Angélica Melo; Gaspar Faría; Juan Carlos Araya; Miguel Villaseca; Pablo Guzmán; Iván Roa
[Detection of bone marrow micrometastases in patients with gallbladder cancer].
Revista médica de Chile 2004;132(12):1489-98.
2004: Juan Carlos Roa; Quynh N Vo; Juan Carlos Araya; Miguel Villaseca; Pablo Guzmán; Gilda Ibacache; Xabier de Aretxabala; Iván Roa
[Inactivation of CDKN2A gene (p16) in gallbladder carcinoma].
Revista médica de Chile 2004;132(11):1369-76.
2004: Juan Carlos Roa; Leonardo Anabalón; Oscar Tapia; Javier Martínez; Juan Carlos Araya; Miguel Villaseca; Pablo Guzmán; Iván Roa
[Promoter methylation profile in breast cancer].
Revista médica de Chile 2004;132(9):1069-77.
2004: Juan Carlos Roa; Iván Roa; Xabier de Aretxabala; Angélica Melo; Gaspar Faría; Oscar Tapia
[K-ras gene mutation in gallbladder carcinoma].
Revista médica de Chile 2004;132(8):955-60.
2004: Iván Roa; Xabier de Aretxabala; Patricia Fuentealba; María Elena Cabrera; Juan Carlos Araya; Juan Carlos Roa
[DNA content and survival in subserous gallbladder carcinoma].
Revista médica de Chile 2004;132(7):794-800.
2004: Xabier de Aretxabala; Iván Roa; Javier P Mora; Juan J Orellana; Juan P Riedeman; Luis Burgos; Veronica P Silva; Alvaro J Cuadra; Harold J Wanebo
Laparoscopic cholecystectomy: its effect on the prognosis of patients with gallbladder cancer.
World journal of surgery 2004;28(6):544-7.
2004: Iván Roa; Xabier de Aretxabala; René Morgan; Ricardo Molina; Juan Carlos Araya; Juan Carlos Roa; Gilda Ibacahe
[Clinicopathological features of gallbladder polyps and adenomas].
Revista médica de Chile 2004;132(6):673-9.
2004: Xabier de Aretxabala; Iván Roa; Javier Mora; Oscar Pincheira; Luis Burgos; Jorge Silva; Juan Carlos Roa
[Management of gallbladder cancer with invasion of the muscular layer].
Revista médica de Chile 2004;132(2):183-8.
2004: Xabier de Aretxabala; Héctor Losada; Javier Mora; Iván Roa; Luis Burgos; Eduardo Yáñez; Ingrid Quijada; Juan Carlos Roa
[Neoadjuvant chemoradiotherapy in gallbladder cancer].
Revista médica de Chile 2004;132(1):51-7.
2003: Angélica Melo; Sonia Montenegro; Terryl Hooper; Italo Capurro; Juan Carlos Roa; Iván Roa
[Human papilloma virus (HPV) typing in preneoplastic and neoplastic lesions of the uterine cervix in the IX region-Chile].
Revista médica de Chile 2003;131(12):1382-90.
2003: Juan Carlos Roa; Miguel Villaseca; Iván Roa; Juan Carlos Araya
[Genetic changes in chronic gastritis: study of microsatellite instability and loss of heterozygosity].
Revista médica de Chile 2003;131(12):1365-74.
2003: Juan Carlos Roa; Juan Carlos Araya; Miguel Villaseca; Iván Roa; Pelayo Correa
[Microsatellite instability and loss of heterozygosity in neoplastic and preneoplastic gastric lesions].
Revista médica de Chile 2003;131(11):1227-36.
2003: Nelson Wohllk; Rodrigo Zapata; Mónica Acuña; Humberto Reyes; Alex Navarro; Iván Roa; Juan Carlos Roa
HFE gene mutations in Chile.
Annals of internal medicine 2003;139(8):708-9.
2003: Juan Carlos Araya; Juan Carlos Roa; Miguel Villaseca; Iván Roa; Pablo Guzmán; César Alvarado; Angélica Melo
[Point mutation of TP53 suppressor gene in pre-neoplastic and neoplastic lesions of the stomach].
Revista médica de Chile 2003;131(4):359-65.
2002: Iván Roa; Gilda Ibacache; Angélica Melo; Erick Morales; Miguel Villaseca; Juan Araya; Juan Carlos Roa; Pablo Guzmán; Xabier de Aretxabala
[Subserous gallbladder carcinoma: expression of cadherine-catenine complex].
Revista médica de Chile 2002;130(12):1349-57.
2002: Iván Roa; Xabier de Aretxabala; Juan Carlos Roa; Juan Carlos Araya; Miguel Villaseca; Pablo Guzmán; Luis Burgos
[Is gallbladder cancer a disease with bad prognosis?].
Revista médica de Chile 2002;130(11):1295-302.
2002: Carmen Gloria Artigas; Angélica Melo; Juan Carlos Roa; Eduardo Páez; Cecilia Vittini; Mónica Arriagada; Luis González; Erna Pflaumer; Iván Roa
[Detection of BCR-ABL gene sequences using RT-PCR in patients with leukemia in the IX region. Chile].
Revista médica de Chile 2002;130(6):623-30.
2002: Iván Roa; Xabier de Aretxabala; Juan Carlos Araya; Miguel Villaseca; Juan Carlos Roa; Ibacache T Gilda; Luis Burgos; Sergio Muñoz
[Morphological prognostic elements in gallbladder cancer].
Revista médica de Chile 2002;130(4):387-95.
2001: Iván Roa; Xabier de Aretxabala; Juan Carlos Araya; Miguel Villaseca; Juan Carlos Roa; Pablo Guzmán
[Incipient gallbladder carcinoma. Clinical and pathological study and prognosis in 196 cases].
Revista médica de Chile 2001;129(10):1113-20.
2001: Iván Roa; Xabier de Aretxabala; Juan Carlos Araya; Miguel Villaseca; Juan Carlos Roa; Luis Burgos; Pablo Guzmán
[Findings in surgical reinterventions for cancer of the gallbladder in patients with and without preoperative chemotherapy and radiotherapy].
Revista médica de Chile 2001;129(9):1013-20.
2001: Iván Roa; Miguel Villaseca; Juan Araya; Juan Carlos Roa; Xabier de Aretxabala; Gilda Ibacache; M García
[CD44 (HCAM) expression in subserous gallbladder carcinoma].
Revista médica de Chile 2001;129(7):727-34.
2000: Juan Carlos Roa; Iván Roa; Juan Carlos Araya; Miguel Villaseca; Angélica Melo; Luis Burgos
[P53 tumor suppressor gene in digestive neoplasms].
Revista médica de Chile 2000;128(11):1269-78.
2000: Juan Carlos Roa; Iván Roa; Angélica Melo; Juan Carlos Araya; Miguel Villaseca; M Flores; B Schneider
[p53 gene mutation in cancer of the colon and rectum].
Revista médica de Chile 2000;128(9):996-1004.
2000: Juan Carlos Araya; Miguel Villaseca; Iván Roa; Juan Carlos Roa
[Helicobacter pylori and chronic gastritis: relationship between infection and inflammatory activity in a high risk population for gastric cancer].
Revista médica de Chile 2000;128(3):259-65.
2000: Iván Roa; Angélica Melo; Juan Carlos Roa; Juan Araya; Miguel Villaseca; Xabier de Aretxabala
[P53 gene mutation in gallbladder cancer].
Revista médica de Chile 2000;128(3):251-8.
2000: Miguel Villaseca; Juan Carlos Araya; Iván Roa; Juan Carlos Roa
[Gastric cancer and tumor growth regulation. Study of cell proliferation markers and protein complex p53/p21WAF1/CIP1/mdm-2].
Revista médica de Chile 2000;128(2):127-36.
1999: Iván Roa; Gilda Ibacache; J Carvallo; Angélica Melo; Juan Araya; Xabier de Aretxabala; M Figueroa; F Barrientos; C Figueroa
[Microbiological study of gallbladder bile in a high risk zone for gallbladder cancer].
Revista médica de Chile 1999;127(9):1049-55.
1999: M Yáñez; Iván Roa; Juan Carlos Roa; Miguel Villaseca; M García
[Chronic sclerosing non-specific sialadenitis of the submandibular gland (Küttner tumor). Report of one case].
Revista médica de Chile 1999;127(5):600-3.
1999: Xabier de Aretxabala; Iván Roa; Luis Burgos
Gallbladder cancer, management of early tumors.
Hepato-gastroenterology 1999;46(27):1547-51.
1999: Iván Roa; Juan Carlos Araya; Miguel Villaseca; Juan Carlos Roa; Xabier de Aretxabala; Gilda Ibacache
Gallbladder cancer in a high risk area: morphological features and spread patterns.
Hepato-gastroenterology 1999;46(27):1540-6.
1999: Xabier de Aretxabala; Iván Roa; Luis Burgos; R Cartes; Jorge Silva; E Yañez; Juan Carlos Araya; Miguel Villaseca; I Quijada; C Vittini
Preoperative chemoradiotherapy in the treatment of gallbladder cancer.
The American surgeon 1999;65(3):241-6.
1999: M Yáñez; Iván Roa; M García; Gilda Ibacache; Miguel Villaseca
[Bcl-2 gene protein expression in salivary gland tumors].
Revista médica de Chile 1999;127(2):139-42.
1998: Pablo Guzmán; Iván Roa; Miguel Villaseca; Juan Carlos Roa; Juan Carlos Araya
Peritoneal pseudomyxoma in a child with a gallbladder Peutz-Jeghers-like hamartomatous polyp: a case report.
Journal of pediatric surgery 1998;33(8):1320-2.
1998: James G Fox; Floyd E Dewhirst; Zeli Shen; Yan Feng; Nancy S Taylor; Bruce J Paster; Rebecca L Ericson; CN Lau; P Correa; Juan Carlos Araya; Iván Roa
Hepatic Helicobacter species identified in bile and gallbladder tissue from Chileans with chronic cholecystitis.
Gastroenterology 1998;114(4):755-63.
1998: Iván Roa; Pablo Guzmán; Juan Carlos Araya; Miguel Villaseca; Juan Carlos Roa; Gilda Ibacache; Xabier de Aretxabala; M García
[Tumor invasion in gallbladder cancer. Importance of blood vascular tumor infiltration diagnosis].
Revista médica de Chile 1998;126(1):42-8.
1997: Miguel Villaseca; Iván Roa; Juan Carlos Araya; Juan Carlos Roa; P Flores
Double immunostaining for p53 and molecular chaperone hsp72/73 in gastric carcinoma.
Molecular pathology : MP 1997;50(6):317-21.
1997: M Yáñez; Iván Roa; Miguel Villaseca; Patricia Fuentealba
[Determination of DNA content in salivary gland tumors].
Revista médica de Chile 1997;125(10):1177-81.
1997: P Rivera; Gilda Ibacache; M García; Iván Roa; M Orio
[Cancer of the prostate: evaluation of the expression of the mutated protein of the 53 tumor suppressor gene].
Actas urologicas españolas 1997;21(9):822-6.
1997: Iván Roa; Miguel Villaseca; Juan Araya; Juan Carlos Roa; Xabier de Aretxabala; Angélica Melo; Gilda Ibacache
p53 tumour suppressor gene protein expression in early and advanced gallbladder carcinoma.
Histopathology 1997;31(3):226-30.
1997: Iván Roa; Miguel Villaseca; Juan Carlos Araya; Juan Carlos Roa; Xabier de Aretxabala; Patricia Fuentealba; Angélica Melo
DNA ploidy pattern and tumor suppressor gene p53 expression in gallbladder carcinoma.
Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 1997;6(7):547-50.
1997: Xabier de Aretxabala; Iván Roa; Luis Burgos; Juan Carlos Araya; Miguel Villaseca; J A Silva
Curative resection in potentially resectable tumours of the gallbladder.
The European journal of surgery = Acta chirurgica 1997;163(6):419-26.
1997: Juan Carlos Roa; Miguel Villaseca; Iván Roa; Juan Carlos Araya; I Okayasu; P Flores; M Flores
[Immunohistochemical expression of p53 oncoprotein in large bowel adenomas and carcinomas].
Revista médica de Chile 1997;125(5):523-9.
1996: Iván Roa; Juan Carlos Araya; Miguel Villaseca; Xabier de Aretxabala; P Riedemann; K Endoh; Juan Carlos Roa
Preneoplastic lesions and gallbladder cancer: an estimate of the period required for progression.
Gastroenterology 1996;111(1):232-6.
1996: Xabier de Aretxabala; Iván Roa; Luis Burgos
[Gallbladder cancer: a review].
Revista médica de Chile 1996;124(6):732-9.
1996: Xabier de Aretxabala; J P Riedeman; Iván Roa; C Wenzel; Jaime Inostroza; Luis Burgos; J Carlos Araya; S Siegel; L Millaqueo; R Espinoza
[CAA 19-9 and carcinoembryonic antigen in gallbladder cancer].
Revista médica de Chile 1996;124(1):11-20.
1995: Iván Roa; Juan Carlos Araya; Miguel Villaseca; X de Artxabala; A Ferreira; Juan Carlos Roa
[Gallbladder cancer: immunohistochemical expression of the protein related to estrogen receptor (p29) and of the protein induced by estrogen (pS2)].
Revista médica de Chile 1995;123(11):1333-40.
1995: I Wistuba; Iván Roa; Juan Carlos Araya; Miguel Villaseca; I Capurro; F Chávez
[Proliferating cell nuclear antigen in cervical cancer and precursor lesions].
Revista médica de Chile 1995;123(9):1077-83.
1995: Xabier de Aretxabala; P Riedeman; Luis Burgos; Iván Roa; Juan Carlos Araya; X Echeverría; M I Toledo; M Charles; O Espinoza; C Wenzel
[Gallbladder cancer. Case-control study].
Revista médica de Chile 1995;123(5):581-6.
1995: Xabier de Aretxabala; Iván Roa; Luis Burgos; Juan Carlos Araya; Miguel Villaseca; J Silva; S Siegel; A Gómez
[Laparoscopic cholecystectomy and gallbladder carcinoma].
Revista médica de Chile 1995;122(5):583-4.
1995: Xabier de Aretxabala; Iván Roa; Luis Burgos; Juan Carlos Araya; J Silva; S Siegel
Laparoscopic cholecystectomy and gallbladder cancer.
Surgery 1995;117(4):479-80.
1994: Iván Roa; Juan Carlos Araya; I Wistuba; Miguel Villaseca; Xabier de Aretxabala; Luis Burgos
[Gallbladder cancer in the IX Region of Chile. Impact of the anatomopathological study of 474 cases].
Revista médica de Chile 1994;122(11):1248-56.
1994: Juan Carlos Araya; Iván Roa; I Wistuba; Miguel Villaseca; E Contreras; A Olcese; A Danton
[Expression of p29, estrogen receptor related protein in primary breast carcinoma. Methodological, anatomoclinical, and DNA content analysis].
Revista médica de Chile 1994;122(10):1140-6.
1994: Iván Roa; Juan Carlos Araya; I Wistuba; Miguel Villaseca; Xabier de Aretxabala; A Gómez; J Silva
[Laparoscopic cholecystectomy makes difficult the analysis of gallbladder mucosa. Morphometric study].
Revista médica de Chile 1994;122(9):1015-20.
1994: Iván Roa; Juan Carlos Araya; T Shiraishi; R Yatani; I Wistuba; Miguel Villaseca; Xabier de Aretxabala
[Gallbladder carcinoma: expression of the c-myc and ras-p-21 oncogene products].
Revista médica de Chile 1994;122(7):754-9.
1994: Juan Carlos Araya; Iván Roa; I Wistuba; Miguel Villaseca; E Contreras; A Olcese; A Danton; H Watanabe
[Breast cancer and flow cytometry: comparative study of DNA ploidy pattern with clinicopathological parameters].
Revista médica de Chile 1994;122(6):643-52.
1994: Iván Roa; Juan Carlos Araya; I Wistuba; Miguel Villaseca; Xabier de Aretxabala; A Ferreira; A Gómez
[Determination of DNA content using cytophotometry in nuclear suspension conserved for prolonged periods (preliminary study)].
Revista médica de Chile 1994;122(3):253-8.
1994: Xabier de Aretxabala; Iván Roa; Juan Carlos Araya; Luis Burgos; P Flores; I Wistuba; Miguel Villaseca; F Sotomayor; Juan Carlos Roa
Gallbladder cancer in patients less than 40 years old.
The British journal of surgery 1994;81(1):111.
1994: I Wistuba; Iván Roa; Juan Araya; Miguel Villaseca; F Chávez; I Capurro
[Immunohistochemical expression of epidermal growth factor receptor (EGFR) in epidermoid carcinoma of the cervix uteri and its precursor lesions].
Revista chilena de obstetricia y ginecología 1994;59(2):116-22.
1993: Iván Roa; Juan Carlos Araya; T Shiraishi; R Yatani; I Wistuba; Miguel Villaseca; Xabier de Aretxabala
DNA content in gallbladder carcinoma: a flow cytometric study of 96 cases.
Histopathology 1993;23(5):459-64.
1993: Juan Carlos Araya; Iván Roa; H Mano; M Yamamoto; I Wistuba; Miguel Villaseca; Xabier de Aretxabala; T Ohta; Luis Burgos
[Mutagen extraction from bile of patients with inflammatory biliary pathology: Ames test using blue rayon].
Revista médica de Chile 1993;121(11):1245-51.
1993: I Wistuba; Iván Roa; Juan Carlos Araya; Miguel Villaseca; I Capurro; J Rojo
[Nucleolar organizer regions in uterine cervical cancer and its precursor epithelial lesions].
Revista médica de Chile 1993;121(10):1110-7.
1993: I Wistuba; Iván Roa; Miguel Villaseca; Juan Carlos Araya; I Capurro
[Cervix uteri cancer: determination of DNA content by means of cytophotometry].
Revista médica de Chile 1993;121(8):873-9.
1993: Iván Roa; Juan Araya; T Shiraishi; R Yatani; Miguel Villaseca; I Wistuba; Xabier de Aretxabala
Proliferating cell nuclear antigen in gallbladder carcinoma.
Histopathology 1993;23(2):179-83.
1993: Iván Roa; Juan Carlos Araya; Xabier de Aretxabala; Miguel Villaseca; I Wistuba; Luis Burgos
[Laparoscopic cholecystectomy makes the histopathological study of the gallbladder mucosa difficult].
Revista médica de Chile 1993;121(4):458-9.
1993: Iván Roa; Juan Carlos Araya; I Wistuba; Miguel Villaseca; Xabier de Aretxabala; D Busel; Luis Burgos
[Epithelial lesions associated with gallbladder carcinoma. A methodical study of 32 cases].
Revista médica de Chile 1993;121(1):21-9.
1992: Iván Roa; Juan Carlos Araya; T Shiraisch; R Yatani; I Wistuba; Miguel Villaseca; Xabier de Aretxabala
[Gallbladder cancer: immunohistochemical expression of CA-19-9, epithelial membrane antigen, dupan-2 and carcinoembryonic antigen].
Revista médica de Chile 1992;120(11):1218-26.
1992: Xabier de Aretxabala; Juan Carlos Araya; P Flores; Iván Roa; E Fernández; I Wistuba; Miguel Villaseca; I Huenchullán; G Arredondo; M Flores
[Characteristics of gastric cancer in the IX region of Chile].
Revista médica de Chile 1992;120(4):407-14.
1992: Xabier de Aretxabala; Iván Roa; Luis Burgos; Juan Carlos Araya; L Fonseca; I Wistuba; P Flores
Gallbladder cancer in Chile. A report on 54 potentially resectable tumors.
Cancer 1992;69(1):60-5.
1992: Iván Roa; Juan Carlos Araya; Xabier de Aretxabala; I Wistuba; Miguel Villaseca; K Saito; K Nakamura
[Gastric cancer: epidermal growth factor and epidermal growth factor receptor].
Revista médica de Chile 1992;120(1):5-12.
1991: Xabier de Aretxabala; Iván Roa; Luis Burgos; Juan Carlos Araya; I Wistuba; Miguel Villaseca; L Fonseca; P Flores; F Sotomayor
[Inapparent cancer of the gallbladder].
Revista médica de Chile 1991;119(8):881-6.
1991: Iván Roa; Juan Carlos Araya; Xabier de Aretxabala; I Wistuba; Miguel Villaseca
[Nucleolus organizer regions and ploidy pattern of DNA in stomach neoplasms].
Revista médica de Chile 1991;119(6):647-51.
1991: Iván Roa; Juan Carlos Araya; I Wistuba; Xabier de Aretxabala; C Salinas; A Mauriz; Miguel Villaseca
[Immunohistochemical expression of the carcinoembryonic antigen in gallbladder cancer].
Revista médica de Chile 1991;119(2):129-36.
1990: Xabier de Aretxabala; I Wistuba; Luis Burgos; Iván Roa; Juan Carlos Araya; L Fonseca; P Flores
[Association of gallbladder and Vater's ampulla neoplasms. Report of a case].
Revista médica de Chile 1990;118(7):783-6.
1990: Juan Carlos Araya; Iván Roa; I Wistuba; Xabier de Aretxabala
[Neoplasms of Vater's papilla: study of nucleolar organizer regions].
Revista médica de Chile 1990;118(4):373-81.
1990: Iván Roa; Juan Carlos Araya; I Wistuba; Xabier de Aretxabala; A Mauriz; M Cea
[In situ and invasive cancer of the gallbladder: nucleolar organizer regions].
Revista médica de Chile 1990;118(4):369-72.
1990: Xabier de Aretxabala; Iván Roa; Juan Carlos Araya; Luis Burgos; P Flores; I Huenchullan; I Miyazaki
Operative findings in patients with early forms of gallbladder cancer.
The British journal of surgery 1990;77(3):291-3.
1990: Iván Roa; J C Aray; Xabier de Aretxabala; I Wistuba; Luis Burgos
[The pathological findings in patients reoperated on for gallbladder cancer].
Revista médica de Chile 1990;118(2):153-7.
1989: Xabier de Aretxabala; Iván Roa; Juan Carlos Araya; Juan Carlos Roa
[Study and application of the DNA pattern in oncology].
Revista médica de Chile 1989;117(9):1044-8.
1989: Iván Roa; Juan Carlos Araya; Xabier de Aretxabala; C Salinas; I Wistuba
[Gallbladder pathology in Temuco, IX Region].
Revista médica de Chile 1989;117(8):889-94.
1989: Iván Roa; Juan Carlos Araya; Xabier de Aretxabala; A Mauriz; M Cea
[Nucleolar organizer regions in gastric cancer].
Revista médica de Chile 1989;117(8):857-60.
1989: Juan Carlos Araya; Iván Roa; Xabier de Aretxabala; C Salinas
[Gastric cancer in the IX Region of Chile: an analysis of 233 cases].
Revista médica de Chile 1989;117(7):773-9.
1989: V Monsalbe; C Domíngues; Iván Roa; D Busel; S González
[Acute plasma cell leukemia].
Revista médica de Chile 1989;117(1):55-9.
1988: Iván Roa; D Busel; Juan Carlos Araya; A Mauriz
[Retroperitoneal tumors: cytologic diagnosis by fine-needle puncture].
Revista médica de Chile 1988;116(9):909-12.
1988: D Busel; Iván Roa
[Diagnosis of non-renal retroperitoneal tumors: usefulness of ultrasound and fine needle puncture].
Revista médica de Chile 1988;116(8):756-9.
1987: X de Aretxabala; Iván Roa; E Contreras; A Olcese; W Reuter; A Rudolph
[Cystosarcoma phyllodes of the breast: clinical and morphological study of 17 cases].
Revista médica de Chile 1987;115(10):952-5.