Sickle cell disorders.
D000755:Anemia, Sickle Cell / Q000628:therapy; D002648:Child; D002675:Child, Preschool; D006445:Hemoglobin C Disease; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D012805:Sickle Cell Trait; D013789:Thalassemia