title: On the heterogeneity of HLA association in juvenile rheumatoid arthritis.
mesh_terms: D000293:Adolescent; D001171:Arthritis, Juvenile / Q000276:immunology*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006680:HLA Antigens / Q000145:classification*; D006801:Humans; D008297:Male
chemical_list: D006680:HLA Antigens