title: Update in pulmonary medicine.
authors.affiliation: Providence Portland Medical Center and the Oregon Clinic, Portland, Oregon 97213, USA. john_heffner@mac.com
authors.forename: John E
authors.initials: JE
authors.lastname: Heffner
mesh_terms: D006801:Humans; D015272:Pulmonary Medicine / Q000639:trends*; D012140:Respiratory Tract Diseases / Q000175:diagnosis / Q000628:therapy