Passive smoking--the evidence confirmed.
D000368:Aged; D002248:Carbon Monoxide; D002273:Carcinogens; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011247:Pregnancy; D012306:Risk; D012906:Smoke; D012907:Smoking
D002273:Carcinogens; D012906:Smoke; D002248:Carbon Monoxide