title: Lung cancer risk among workers with silicosis: potential confounding by smoking habits.
authors: G M
authors: GM
authors: Swaen
authors: J M
authors: JM
authors: Meijers
mesh_terms: D006801:Humans; D008175:Lung Neoplasms / Q000453:epidemiology*; D008297:Male; D012307:Risk Factors; D012829:Silicosis / Q000150:complications*; D012907:Smoking