title: Age trends in the prevalence of the sickle cell trait.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000755:Anemia, Sickle Cell / Q000097:blood / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D005260:Female; D006400:Hematocrit; D006801:Humans; D007223:Infant; D008297:Male; D009518:New York; D012737:Sex Factors