Stefan Willers

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The relationship between urinary levels of cotinine (U-cotinine) and arsenic (U-As), blood levels of cadmium (B-Cd), blood levels of lead (B-Pb), lung function, and questionnaire data on smoking(More)
To validate a detailed questionnaire for assessment of environmental tobacco smoke (ETS) exposure by the biomarker cotinine in various media, a population-based study in the urban area of Malmö,(More)
Lung function, studied with spirometry, nitrogen washout technique, and methacholine responsiveness, was prospectively investigated in a seven-year follow-up study of 35 laboratory animal workers (19(More)