Secondhand smoke and cancer: Where's the proof?
Ahmad
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Morgan
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D015982:Bias; D006801:Humans; D008175:Lung Neoplasms / Q000209:etiology*; D017712:Peer Review, Research; D012107:Research Design / Q000592:standards*; D014028:Tobacco Smoke Pollution / Q000009:adverse effects*; D014944:World Health Organization
D014028:Tobacco Smoke Pollution