title: Occupational asthma update.
authors.affiliation: Respiratory Division/Department of Medicine, University of British Columbia, Vancouver, Canada.
authors.forename: M
authors.initials: M
authors.lastname: Chan-Yeung
mesh_terms: D001249:Asthma / Q000175:diagnosis / Q000209:etiology; D002170:Canada; D006801:Humans; D009784:Occupational Diseases / Q000175:diagnosis / Q000209:etiology; D014481:United States