title: Incidence of occupational asthma: A comparison by reporting systems.
authors.affiliation: Department of Occupational Medicine, Finnish Institute of Occupational Health, Helsinki, Finland. Henrik.Nordman@occuphealth.fi
authors.forename: H
authors.initials: H
authors.lastname: Nordman
authors.forename: A
authors.initials: A
authors.lastname: Karjalainen
authors.forename: H
authors.initials: H
authors.lastname: Keskinen
mesh_terms: D001249:Asthma / Q000453:epidemiology*; D003431:Cross-Cultural Comparison; D003430:Cross-Sectional Studies; D003625:Data Collection / Q000706:statistics & numerical data; D006801:Humans; D015994:Incidence; D009784:Occupational Diseases / Q000453:epidemiology*; D012042:Registries / Q000706:statistics & numerical data*