The incidence of hemoglobin-S in human blood groups.
D000293:Adolescent; D000328:Adult; D001741:Black or African American; D000755:Anemia, Sickle Cell / Q000175:diagnosis*; D001789:Blood Group Antigens; D002648:Child; D005260:Female; D006455:Hemoglobins, Abnormal / Q000453:epidemiology*; D006801:Humans; D008297:Male; D008875:Middle Aged