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
- 1 February 1989
- journal article
- Published by European Respiratory Society (ERS) in European Respiratory Journal
- Vol. 2 (2) , 165-177
- https://doi.org/10.1183/09031936.93.02020165
Abstract
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