title: Environmental versus genetics in determining bronchial susceptibility to cigarette smoking.
mesh_terms: D001982:Bronchial Diseases / Q000209:etiology*; D004777:Environment; D005260:Female; D020022:Genetic Predisposition to Disease; D006801:Humans; D011247:Pregnancy; D012129:Respiratory Function Tests; D012907:Smoking; D014427:Twins