title: When is pulmonary function test needed?
authors.forename: Joan E
authors.initials: JE
authors.lastname: King
mesh_terms: D004417:Dyspnea / Q000175:diagnosis* / Q000451:nursing; D006801:Humans; D008171:Lung Diseases / Q000175:diagnosis* / Q000451:nursing; D012129:Respiratory Function Tests / Q000379:methods* / Q000451:nursing