A comparative study of the hematocrit values of sickle cell patients in Ibadan (Nigeria) and Oakland (CA, USA).
D000755:Anemia, Sickle Cell / Q000097:blood*; D002140:California; D002648:Child; D002675:Child, Preschool; D005260:Female; D006400:Hematocrit; D006801:Humans; D008297:Male; D009549:Nigeria