title: [Combined effect of air pollution, occupational exposure and tobacco habits in obstructive lung diseases. I. Methodology].
mesh_terms: D000397:Air Pollution; D004781:Environmental Exposure; D005525:Food-Processing Industry; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000453:epidemiology* / Q000209:etiology; D008669:Metallurgy; D008722:Methods; D009790:Occupations; D011792:Quebec; D012129:Respiratory Function Tests; D012907:Smoking; D014797:Vital Capacity
vernacular_title: Etude de l'effet combiné de la polution atmosphérique de l'exposition professionnelle et des habitudes de tabac dans les affections pulmonaires obstructives. I. Méthodologie