title: Bronchoscopy. Enough or too much?
authors.forename: R P
authors.initials: RP
authors.lastname: Sen
authors.forename: T E
authors.initials: TE
authors.lastname: Walsh
mesh_terms: D001992:Bronchoalveolar Lavage Fluid / Q000032:analysis; D001999:Bronchoscopy / Q000706:statistics & numerical data*; D003365:Costs and Cost Analysis; D005336:Fiber Optic Technology / Q000295:instrumentation; D006801:Humans; D008171:Lung Diseases / Q000175:diagnosis*; D008175:Lung Neoplasms / Q000175:diagnosis; D010818:Practice Patterns, Physicians'; D014481:United States