title: Sputum induction in research: beware of the beast.
authors: Jan Willem
authors: JW
authors: van den Berg
authors: Huib
authors: H
authors: Kerstjens
authors: Dirkje
authors: D
authors: Postma
authors: Wim
authors: W
authors: van der Bij
authors: Gerard
authors: G
authors: Koëter
mesh_terms: D005260:Female; D006801:Humans; D017758:Infectious Disease Transmission, Patient-to-Professional; D017056:Medical Laboratory Personnel; D013183:Sputum / Q000382:microbiology*; D014397:Tuberculosis, Pulmonary / Q000635:transmission*