title: Cystic fibrosis in blacks in Washington, DC: incidence and characteristics.
mesh_terms: D044383:Black People; D003550:Cystic Fibrosis / Q000150:complications / Q000175:diagnosis / Q000453:epidemiology* / Q000235:genetics; D004219:District of Columbia; D006801:Humans; D011159:Population Surveillance; D001741:Black or African American