Non-smoking wives of heavy smokers have a higher risk of lung cancer: a study from Japan. 1981.
Hirayama
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D017677:Age Distribution; D005260:Female; D049673:History, 20th Century; D006801:Humans; D015994:Incidence; D007564:Japan / Q000453:epidemiology; D008175:Lung Neoplasms / Q000453:epidemiology / Q000209:etiology / Q000266:history*; D018570:Risk Assessment; D018454:Spouses; D015996:Survival Rate; D014028:Tobacco Smoke Pollution / Q000009:adverse effects / Q000266:history*
D014028:Tobacco Smoke Pollution