['Canada', 'T:', '.LIATION', 'BRIEY', 'DEJCRIPYION', 'J.', 'Vobecky', 'Human', 'Nutrition', 'Research', 'Unit', 'University', 'of', 'Sherbrooke,', 'Faculty', 'of', 'Medicine', 'Role', 'of', 'Vitamin', 'A', 'and', 'Cholestercl', 'in', 'the', 'Aetiology', 'of', 'Lung', 'Cancer', 'DPata', 'collected', 'will', 'include', 'history', 'of', 'environmental', 'and', 'tobacco', 'smoke', 'exposure', 'in', 'order', 'to', 'control', 'for', 'confounding.', '"Special', 'attention', 'will', 'be', 'paid', 'to', 'passive', 'smoking."', 'China', 'X.D.', 'Dai', 'Department', 'of', 'Cancer', 'Epidemiology', 'Harbin', 'Medical', 'Universzity', 'Risk', 'Factors', 'for', 'Lung', 'Cancer', 'Among', 'Women', 'in', 'North-East', 'China', 'Case-control', 'study', 'will', 'examine', 'role', 'of', 'active', 'and', 'passive', 'smoking', 'exposure.,', 'Other', 'factors', 'to', 'be', 'examined', 'include', 'residential', 'and', 'occupational', 'histories,', 'diet', 'and', 'cooking', 'practices,', 'history', 'of', 'non-', 'malignant', 'lung', 'disease,', 'including', 'tuberculogis,', 'and', 'cancer', 'of', 'lung', 'in', 'first-degree', 'relatives.', 'China', 'J.', 'M,', 'Yuan', 'The', 'Shanghai', 'Cancer', 'Institute', 'Nasopharyngeal', 'Carcinoma', 'in', 'Shanghai', 'Case-control', 'study', 'will', 'examine', 'association', 'of', 'nasopharyngeal', 'carcinoma', 'with', 'active', 'and', 'passive', 'exposure', 'to', 'tobacco', 'smoke.', 'Other', 'factors', 'to', 'be', 'investigated', 'include', 'intake', 'of', 'preserved', 'food,', 'occupational', 'exposure', 'to', 'dust,', 'smoke', 'and', 'fumes,', 'exposure', 'to', 'incense,', 'and', 'history', 'of', 'chronic', 'ear', 'and', 'noge', 'digeases.', 'France', 'R.', 'Baracci', 'Unit', 'of', 'Analytical', 'Epidemiclogy', 'International', 'Agency', 'for', 'Research', 'on', 'Cancer', 'Lung', 'Cancer', 'in', 'Nonsmokers', 'and', 'Environmental', 'Tobacco', 'Smoke', 'Case-control', 'study', 'in', '12', 'collaborating', 'centers', 'in', '8', 'countries', 'to', 'investigate', 'relationship', 'between', 'exposure', 'to', 'ETS', 'and', 'other', 'envircnmental', 'risk', 'factors', 'including', 'occupation,', 'air', 'pollution', 'and', 'diet', 'and', 'the', 'risk', 'of', 'lung', 'cancer', 'in', 'nonsmokers.', 'Includes', 'urine', 'and', 'blood', 'samples', 'to', 'verify', 'current', 'amoking', 'status.', 'Will', 'include', '400', 'cases.', 'Susceptibility', 'to', 'lung', 'cancer', 'will', 'be', 'investigated', 'by', 'measuring', 'genetic', 'polymorphisms', 'in', 'P450', 'CYP1A1l', 'and', 'CYP2D6', 'and', 'GSTM', '1.', 'F:3527464v.096', '2201688202']