title: Beyond the Dutch hypothesis.
authors.forename: David L
authors.initials: DL
authors.lastname: Hahn
mesh_terms: D001249:Asthma / Q000175:diagnosis* / Q000503:physiopathology; D003937:Diagnosis, Differential; D006801:Humans; D029424:Pulmonary Disease, Chronic Obstructive / Q000175:diagnosis* / Q000503:physiopathology