Absence of major illnesses in sickle cell trait: Results from a controlled study.
D000293:Adolescent; D000328:Adult; D000755:Anemia, Sickle Cell / Q000150:complications / Q000235:genetics*; D002648:Child; D002675:Child, Preschool; D004219:District of Columbia; D005260:Female; D006801:Humans; D008297:Male; D009017:Morbidity; D014552:Urinary Tract Infections / Q000453:epidemiology