title: Histocompatibility antigens in patients with ectopic ossification due to fibrodysplasia ossificans progressiva.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D005260:Female; D006680:HLA Antigens / Q000032:analysis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009221:Myositis Ossificans / Q000276:immunology*; D009999:Ossification, Heterotopic / Q000276:immunology
chemical_list: D006680:HLA Antigens