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North American Indians
European Continental Ancestry Group
Mexico
Case Control Studies
HLA-DR3 Antigen
HLA-B27 Antigen
Complement C4
Antigens, Protozoan
HLA Antigens
Amoebic Liver Abscess
Amoebiasis
Ankylosing Spondylitis
Carrier State
Birth Order
Maternal Age
Family Health
Sex Distribution
Ethnic Groups
Major Histocompatibility Complex
Haplotypes
Co-Publications
2
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