title: Juvenile rheumatoid arthritis in monozygotic twins: a case report and review of the literature.
mesh_terms: D001171:Arthritis, Juvenile / Q000235:genetics*; D001789:Blood Group Antigens; D002648:Child; D003878:Dermatoglyphics; D004200:Diseases in Twins; D005260:Female; D005838:Genotype; D006386:Hemagglutination Tests; D006801:Humans; D008297:Male; D012204:Rh-Hr Blood-Group System / Q000032:analysis; D012217:Rheumatoid Factor / Q000032:analysis
chemical_list: D001789:Blood Group Antigens; D012204:Rh-Hr Blood-Group System; D012217:Rheumatoid Factor