How passive is passive smoking?
D000328:Adult; D001161:Arteriosclerosis / Q000209:etiology*; D003327:Coronary Disease / Q000209:etiology*; D005260:Female; D006801:Humans; D008875:Middle Aged; D009203:Myocardial Infarction / Q000209:etiology; D012307:Risk Factors; D012907:Smoking / Q000009:adverse effects*; D014028:Tobacco Smoke Pollution / Q000009:adverse effects*
D014028:Tobacco Smoke Pollution