title: Acid-fast smears: a cause of false positive reactions.
authors.forename: M A
authors.initials: MA
authors.lastname: Allen
authors.forename: S B
authors.initials: SB
authors.lastname: Lalor
authors.forename: L F
authors.initials: LF
authors.lastname: English
authors.forename: E
authors.initials: E
authors.lastname: Mulvihill
mesh_terms: D004866:Equipment Contamination / Q000517:prevention & control*; D005189:False Positive Reactions; D006801:Humans; D008853:Microscopy / Q000295:instrumentation*; D009161:Mycobacterium; D014376:Tuberculosis / Q000175:diagnosis