Cancer, passive smoking and nonemployed and employed wives.
D000367:Age Factors; D000368:Aged; D004651:Employment; D005260:Female; D006801:Humans; D008297:Male; D008393:Marriage; D008875:Middle Aged; D009369:Neoplasms / Q000209:etiology*; D014028:Tobacco Smoke Pollution / Q000009:adverse effects*
D014028:Tobacco Smoke Pollution