Haemophilia in Nigeria.
D000293:Adolescent; D001780:Blood Coagulation Tests; D001803:Blood Transfusion; D002648:Child; D002675:Child, Preschool; D002944:Circumcision, Male / Q000009:adverse effects; D006395:Hemarthrosis / Q000628:therapy; D006467:Hemophilia A / Q000453:epidemiology* / Q000628:therapy; D006470:Hemorrhage / Q000209:etiology; D006801:Humans; D008297:Male; D009549:Nigeria