Case-finding.
D001431:Bacteriological Techniques; D019411:Clinical Laboratory Techniques; D003226:Congresses as Topic; D004812:Epidemiologic Methods; D006801:Humans; D008400:Mass Chest X-Ray; D012041:Regional Medical Programs; D012959:Socioeconomic Factors; D013183:Sputum / Q000382:microbiology; D014397:Tuberculosis, Pulmonary / Q000175:diagnosis* / Q000453:epidemiology