title: Examination of sputum for acid-fast bacilli by the concentration method (a reminder)
authors.forename: G
authors.initials: G
authors.lastname: Biersack
mesh_terms: D001419:Bacteria / Q000302:isolation & purification*; D001431:Bacteriological Techniques; D006801:Humans; D013183:Sputum / Q000382:microbiology*