title: 30-year-old man with recurrent episodes of dyspnea.
authors.affiliation: Mayo Graduate School of Medicine, Mayo Clinic Rochester, MN 55905, USA.
authors.forename: C C
authors.initials: CC
authors.lastname: Oh
authors.forename: D E
authors.initials: DE
authors.lastname: Midthun
mesh_terms: D000328:Adult; D003371:Cough / Q000209:etiology; D003937:Diagnosis, Differential; D004417:Dyspnea / Q000209:etiology*; D005203:Farmer's Lung / Q000150:complications / Q000175:diagnosis* / Q000503:physiopathology / Q000628:therapy; D005334:Fever / Q000209:etiology; D006801:Humans; D008297:Male; D012129:Respiratory Function Tests