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Hiroshi Koyama

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Shizuko Nagata-Kobayashi; Hiroshi Koyama; Atsushi Asai; Yoshinori Noguchi; Tetsuhiro Maeno; Osamu Fukushima; Wari Yamamoto; Shunzo Koizumi; Takuro Shimbo
Experiences of alcohol-related harassment among medical students.
Toru Oga; Mitsuhiro Tsukino; Takashi Hajiro; Akihiko Ikeda; Hiroshi Koyama; Michiaki Mishima; Kazuo Chin; Koichi Nishimura
Multidimensional analyses of long-term clinical courses of asthma and chronic obstructive pulmonary disease.
Kyosuke Kishida; Mai Miyata; Naoyuki Wada; Norihiko L Okamoto; Katsushi Tanaka; Haruyuki Inui; Hiroshi Koyama; Takeshi Hattori; Yasutoshi Iriyama; Zempachi Ogumi
Crystal and defect structures of La2/3 xLi3xTiO3 (x ~ 0.1) produced by a melt process.

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2010: Shizuko Nagata-Kobayashi; Hiroshi Koyama; Atsushi Asai; Yoshinori Noguchi; Tetsuhiro Maeno; Osamu Fukushima; Wari Yamamoto; Shunzo Koizumi; Takuro Shimbo
Experiences of alcohol-related harassment among medical students.
Medical education 2010;44(12):1213-23.
2010: Toru Oga; Mitsuhiro Tsukino; Takashi Hajiro; Akihiko Ikeda; Hiroshi Koyama; Michiaki Mishima; Kazuo Chin; Koichi Nishimura
Multidimensional analyses of long-term clinical courses of asthma and chronic obstructive pulmonary disease.
Allergology international : official journal of the Japanese Society of Allergology 2010;59(3):257-65.
2007: Kyosuke Kishida; Mai Miyata; Naoyuki Wada; Norihiko L Okamoto; Katsushi Tanaka; Haruyuki Inui; Hiroshi Koyama; Takeshi Hattori; Yasutoshi Iriyama; Zempachi Ogumi
Crystal and defect structures of La2/3 xLi3xTiO3 (x ~ 0.1) produced by a melt process.
Journal of electron microscopy 2007;56(6):225-34.
2007: Shizuko Nagata-Kobayashi; Hiroshi Koyama; Takuro Shimbo
A call for student maternity leave in the medical educational system.
Medical education 2007;41(4):427-8.
2007: Masashi Goto; Hiroshi Koyama; Osamu Takahashi; Tsuguya Fukui
A retrospective review of 226 hospitalized patients with fever.
Internal medicine (Tokyo, Japan) 2007;46(1):17-22.
2006: Shizuko Nagata-Kobayashi; Miho Sekimoto; Hiroshi Koyama; Wari Yamamoto; Eiji Goto; Osamu Fukushima; Teruo Ino; Tomoe Shimada; Takuro Shimbo; Atsushi Asai; Shunzo Koizumi; Tsuguya Fukui
Medical student abuse during clinical clerkships in Japan.
Journal of general internal medicine 2006;21(3):212-8.
2005: Toru Oga; koichi-nishimura@nifty.com Nishimura; Mitsuhiro Tsukino; Susumu Sato; Takashi Hajiro; Hiroshi Koyama; Michiaki Mishima
Longitudinal changes in patient vs. physician-based outcome measures did not significantly correlate in asthma.
Journal of clinical epidemiology 2005;58(5):532-9.
2004: Takeshi Morimoto; Takuro Shimbo; Yoshinori Noguchi; Hiroshi Koyama; Yoshiyuki Sasaki; Koichi Nishiwaki; Tsuguya Fukui
Effects of timing of thoracoscopic surgery for primary spontaneous pneumothorax on prognosis and costs.
American journal of surgery 2004;187(6):767-74.
2003: Susumu Sato; koichi-nishimura@nifty.com Nishimura; Hiroshi Koyama; Mitsuhiro Tsukino; Toru Oga; Takashi Hajiro; Michiaki Mishima
Optimal cutoff level of breath carbon monoxide for assessing smoking status in patients with asthma and COPD.
Chest 2003;124(5):1749-54.
2003: Masashi Goto; Yoshinori Noguchi; Hiroshi Koyama; Kenji Hira; Takuro Shimbo; Tsuguya Fukui
Diagnostic value of adenosine deaminase in tuberculous pleural effusion: a meta-analysis.
Annals of clinical biochemistry 2003;40(Pt 4):374-81.
2003: Osamu Takahashi; Yoshinori Noguchi; Mahbubur Rahman; Takuro Shimbo; Masashi Goto; Kunihiko Matsui; Atsushi Asai; Motoki Onishi; Hiroshi Koyama; Izumi Sawada; Takeshi Yoshinaka; Tsuguya Fukui
Influence of family on acceptance of influenza vaccination among Japanese patients.
Family practice 2003;20(2):162-6.
2002: Mahbubur Rahman; Miho Sekimoto; Kenji Hira; Hiroshi Koyama; Yuichi Imanaka; Tsuguya Fukui
Is Bacillus Calmette-Guerin revaccination necessary for Japanese children?
Preventive medicine 2002;35(1):70-7.
2002: Hiroshi Koyama; Kunihiko Matsui; Masashi Goto; Miho Sekimoto; Kenji Maeda; Takeshi Morimoto; Kenji Hira; Tsuguya Fukui
In-patient interventions supported by results of randomized controlled trials in Japan.
International journal for quality in health care : journal of the International Society for Quality in Health Care / ISQua 2002;14(2):119-25.
2002: Chishin Yang; Osamu Takahashi; Masashi Goto; Motoki Ohnishi; Hiroshi Koyama; Yoshinori Noguchi; Kunihiko Matsui; Atsushi Asai; Takuro Shimbo; Tsuguya Fukui
[Pseudoaneurysm of the thoracoabdominal aorta from colonic injury by the anterior fixation device].
Nihon Naika Gakkai zasshi. The Journal of the Japanese Society of Internal Medicine 2002;91(3):1025-7.
2002: Takeshi Morimoto; Tsuguya Fukui; Hiroshi Koyama; Yoshinori Noguchi; Takuro Shimbo
Optimal strategy for the first episode of primary spontaneous pneumothorax in young men. A decision analysis.
Journal of general internal medicine 2002;17(3):193-202.
2002: Motoki Ohnishi; Tsuguya Fukui; Kunihiko Matsui; Kenji Hira; Masaya Shinozuka; Hironori Ezaki; Junji Otaki; Wataru Kurokawa; Hiroshi Imura; Hiroshi Koyama; Takuro Shimbo
Interpretation of and preference for probability expressions among Japanese patients and physicians.
Family practice 2002;19(1):7-11.
2002: Takeshi Morimoto; Hiroshi Koyama; Takuro Shimbo; Tsuguya Fukui
[Cost-effectiveness analysis of ambulatory treatment for adult patients with community-acquired pneumonia: according to Japanese Respiratory Society guidelines].
Nihon Kokyūki Gakkai zasshi = the journal of the Japanese Respiratory Society 2002;40(1):17-25.
2000: koichi-nishimura@nifty.com Nishimura; Akihiko Ikeda; Hiroshi Koyama; M Zhang; Mitsuhiro Tsukino; Takashi Hajiro; Takateru Izumi
Additive effects of prednisolone and beclomethasone dipropionate in patients with stable chronic obstructive pulmonary disease.
Pulmonary pharmacology & therapeutics 2000;13(5):225-30.
1999: Takashi Hajiro; koichi-nishimura@nifty.com Nishimura; P W Jones; Mitsuhiro Tsukino; Akihiko Ikeda; Hiroshi Koyama; Takateru Izumi
A novel, short, and simple questionnaire to measure health-related quality of life in patients with chronic obstructive pulmonary disease.
American journal of respiratory and critical care medicine 1999;159(6):1874-8.
1999: koichi-nishimura@nifty.com Nishimura; Hiroshi Koyama; Akihiko Ikeda; Mitsuhiro Tsukino; Takashi Hajiro; Michiaki Mishima; Takateru Izumi
The effect of high-dose inhaled beclomethasone dipropionate in patients with stable COPD.
Chest 1999;115(1):31-7.
1998: Takashi Hajiro; koichi-nishimura@nifty.com Nishimura; Mitsuhiro Tsukino; Akihiko Ikeda; Hiroshi Koyama; Takateru Izumi
Analysis of clinical methods used to evaluate dyspnea in patients with chronic obstructive pulmonary disease.
American journal of respiratory and critical care medicine 1998;158(4):1185-9.
1998: Hiroshi Koyama; koichi-nishimura@nifty.com Nishimura; Akihiko Ikeda; Mitsuhiro Tsukino; Takateru Izumi
Comparison of four types of portable peak flow meters (Mini-Wright, Assess, Pulmo-graph and Wright Pocket meters).
Respiratory medicine 1998;92(3):505-11.
1998: Hiroshi Koyama; koichi-nishimura@nifty.com Nishimura; Akihiko Ikeda; Mitsuhiro Tsukino; Takateru Izumi
A comparison of different methods of spirometric measurement selection.
Respiratory medicine 1998;92(3):498-504.
1998: Takashi Hajiro; koichi-nishimura@nifty.com Nishimura; Mitsuhiro Tsukino; Akihiko Ikeda; Hiroshi Koyama; Takateru Izumi
Comparison of discriminative properties among disease-specific questionnaires for measuring health-related quality of life in patients with chronic obstructive pulmonary disease.
American journal of respiratory and critical care medicine 1998;157(3 Pt 1):785-90.
1998: Mitsuhiro Tsukino; koichi-nishimura@nifty.com Nishimura; Takashi Hajiro; Akihiko Ikeda; Hiroshi Koyama; Takateru Izumi
[Effect of treatment on health-related quality of life in patients with asthma].
Nihon Kokyūki Gakkai zasshi = the journal of the Japanese Respiratory Society 1998;36(1):41-5.
1996: koichi-nishimura@nifty.com Nishimura; Akihiko Ikeda; Hiroshi Koyama; Mitsuhiro Tsukino; Takashi Hajiro; Takateru Izumi
[Pharmacologic therapy for patients with stable chronic obstructive pulmonary disease--emphasis on inhaled agents].
Nihon Kyōbu Shikkan Gakkai zasshi 1996;34 Suppl():75-8.
1996: Mitsuhiro Tsukino; koichi-nishimura@nifty.com Nishimura; Akihiko Ikeda; Hiroshi Koyama; Michiaki Mishima; Takateru Izumi
Physiologic factors that determine the health-related quality of life in patients with COPD.
Chest 1996;110(4):896-903.
1996: Hiroshi Koyama; koichi-nishimura@nifty.com Nishimura; Akihiko Ikeda; N Sakai; Michiaki Mishima; Takateru Izumi
Influence of baseline airway calibre and pulmonary emphysema on bronchial responsiveness in patients with chronic obstructive pulmonary disease.
Respiratory medicine 1996;90(6):323-8.
1996: M Zang; koichi-nishimura@nifty.com Nishimura; Akihiko Ikeda; Mitsuhiro Tsukino; Hiroshi Koyama; Takateru Izumi
[Symptoms, FEV1/FVC, and peak flow as indices of the control of asthma].
Nihon Kyōbu Shikkan Gakkai zasshi 1996;34(3):270-4.
1996: Akihiko Ikeda; koichi-nishimura@nifty.com Nishimura; Hiroshi Koyama; Mitsuhiro Tsukino; Michiaki Mishima; Takateru Izumi
Dose response study of ipratropium bromide aerosol on maximum exercise performance in stable patients with chronic obstructive pulmonary disease.
Thorax 1996;51(1):48-53.
1995: M Zhang; koichi-nishimura@nifty.com Nishimura; Akihiko Ikeda; Mitsuhiro Tsukino; Hiroshi Koyama; Takateru Izumi
[High-dose inhaled beclomethasone dipropionate and maximal improvements in patients with stable chronic obstructive pulmonary disease].
Nihon Kyōbu Shikkan Gakkai zasshi 1995;33(12):1386-1391.
1995: Akihiko Ikeda; koichi-nishimura@nifty.com Nishimura; Hiroshi Koyama; Mitsuhiro Tsukino; Takateru Izumi
[Effect of one year of treatment with inhaled beclomethasone dipropionate on airway hyperresponsiveness in stable chronic asthma].
Nihon Kyōbu Shikkan Gakkai zasshi 1995;33(5):505-9.
1995: Hiroshi Koyama; koichi-nishimura@nifty.com Nishimura; Akihiko Ikeda; Mitsuhiro Tsukino; Takateru Izumi
[Efficacy of high-dose beclomethasone in patients with stable chronic obstructive pulmonary disease].
Nihon Kyōbu Shikkan Gakkai zasshi 1995;33(4):410-5.
1995: koichi-nishimura@nifty.com Nishimura; Hiroshi Koyama; Akihiko Ikeda; N Sugiura; K Kawakatsu; Takateru Izumi
The additive effect of theophylline on a high-dose combination of inhaled salbutamol and ipratropium bromide in stable COPD.
Chest 1995;107(3):718-23.
1995: Akihiko Ikeda; koichi-nishimura@nifty.com Nishimura; Hiroshi Koyama; Takateru Izumi
Bronchodilating effects of combined therapy with clinical dosages of ipratropium bromide and salbutamol for stable COPD: comparison with ipratropium bromide alone.
Chest 1995;107(2):401-5.
1995: Akihiko Ikeda; koichi-nishimura@nifty.com Nishimura; Hiroshi Koyama; Takateru Izumi
Comparative dose-response study of three anticholinergic agents and fenoterol using a metered dose inhaler in patients with chronic obstructive pulmonary disease.
Thorax 1995;50(1):62-6.
1994: Akihiko Ikeda; koichi-nishimura@nifty.com Nishimura; Hiroshi Koyama; N Sugiura; Takateru Izumi
Oxitropium bromide improves exercise performance in patients with COPD.
Chest 1994;106(6):1740-5.
1994: Hiroshi Koyama; koichi-nishimura@nifty.com Nishimura; Tadashi Mio; Akihiko Ikeda; N Sugiura; Takateru Izumi
Bronchial responsiveness and acute bronchodilator response in chronic obstructive pulmonary disease and diffuse panbronchiolitis.
Thorax 1994;49(6):540-4.
1994: Hiroshi Koyama; koichi-nishimura@nifty.com Nishimura; Tadashi Mio; Takateru Izumi
Emphysematous changes assessed by selective alveolobronchography and bronchodilator response in chronic airflow obstruction.
Lung 1994;172(2):103-12.
1993: Hiroshi Koyama; koichi-nishimura@nifty.com Nishimura; Akihiko Ikeda; Takateru Izumi
A comparison of the bronchodilating effects of oxitropium bromide and fenoterol in patients with chronic obstructive pulmonary disease.
Chest 1993;104(6):1743-7.
1993: koichi-nishimura@nifty.com Nishimura; Hiroshi Koyama; Akihiko Ikeda; Takateru Izumi
Is oral theophylline effective in combination with both inhaled anticholinergic agent and inhaled beta 2-agonist in the treatment of stable COPD?
Chest 1993;104(1):179-84.
1992: Hiroshi Koyama; koichi-nishimura@nifty.com Nishimura; Tadashi Mio; Takateru Izumi
Response to oral corticosteroid in patients with chronic obstructive pulmonary disease.
Internal medicine (Tokyo, Japan) 1992;31(10):1179-84.
1992: Hiroshi Koyama; koichi-nishimura@nifty.com Nishimura; Masanori Kitaichi; Takateru Izumi; K Tamura; Shigeki Hitomi; M Kurozumi; Y Suzuki
[A case of thyroid medullary carcinoma-like tumor of the lung with amyloid stroma].
Nihon Kyōbu Shikkan Gakkai zasshi 1992;30(6):1131-5.
1992: koichi-nishimura@nifty.com Nishimura; Hiroshi Koyama; Takateru Izumi
[A comparison of bronchodilating drugs in the treatment of stable COPD].
Nihon Kyōbu Shikkan Gakkai zasshi 1992;30(5):835-43.
1991: koichi-nishimura@nifty.com Nishimura; Tadashi Mio; Hiroshi Koyama; Takateru Izumi
[Comparison of acute bronchodilator response between cases of diffuse panbronchiolitis and pulmonary emphysema].
Nihon Kyōbu Shikkan Gakkai zasshi 1991;29(6):685-92.