Results of the Washington, D.C., chest x-ray survey.
CHRISTIE
A C
AC
D003625:Data Collection; D004219:District of Columbia; D006801:Humans; D011859:Radiography; D013902:Radiography, Thoracic; D014376:Tuberculosis; D014397:Tuberculosis, Pulmonary / Q000175:diagnosis* / Q000453:epidemiology*; D014861:Washington; D014965:X-Rays