title: Congenital deficiency of plasma thromboplastin component (PTC-factor IX): report of 25 cases from 19 unrelated families.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D005164:Factor IX / Q000627:therapeutic use; D005169:Factor VIII / Q000627:therapeutic use; D006467:Hemophilia A / Q000628:therapy; D002836:Hemophilia B / Q000097:blood* / Q000628:therapy; D006801:Humans; D007223:Infant; D008297:Male
chemical_list: D005169:Factor VIII; D005164:Factor IX