Hematology problem.
D002648:Child; D006402:Hematologic Diseases / Q000097:blood / Q000175:diagnosis*; D006453:Hemoglobinopathies / Q000175:diagnosis; D006801:Humans; D008288:Malaria / Q000150:complications / Q000175:diagnosis; D008297:Male; D013789:Thalassemia / Q000150:complications / Q000175:diagnosis