title: Place of sputum direct smear microscopy in the detection of T.B. cases in Ceylon.
mesh_terms: D001431:Bacteriological Techniques; D005260:Female; D006801:Humans; D008297:Male; D013183:Sputum / Q000382:microbiology*; D013188:Sri Lanka; D014397:Tuberculosis, Pulmonary / Q000175:diagnosis*; D014944:World Health Organization