title: Questionnaire of the European Community for Coal and Steel (ECSC) on respiratory symptoms. 1987--updating of the 1962 and 1967 questionnaires for studying chronic bronchitis and emphysema.
authors.affiliation: Medisch Instituut St.-Barbara, Lanaken.
authors.forename: A
authors.initials: A
authors.lastname: Minette
mesh_terms: D001991:Bronchitis / Q000453:epidemiology*; D003032:Coal Mining; D005060:Europe; D006801:Humans; D008669:Metallurgy; D009784:Occupational Diseases / Q000453:epidemiology*; D011656:Pulmonary Emphysema / Q000453:epidemiology*; D011795:Surveys and Questionnaires