Sickle cell anemia, a public health problem in the District of Columbia.
D001741:Black or African American; D000755:Anemia, Sickle Cell / Q000453:epidemiology*; D002648:Child; D002675:Child, Preschool; D004219:District of Columbia; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D011634:Public Health