SSL非対応の方はこちらから
出典:Doll, R., Peto, R., Wheatley, K., et al. : Mortality in relation to smoking: 40 years' observations
on male British doctors. BMJ, 309 : 901-911, 1994.
SSL非対応の方はこちらから |
出典:Doll, R., Peto, R., Wheatley, K., et al. : Mortality in relation to smoking: 40 years' observations on male British doctors. BMJ, 309 : 901-911, 1994. |
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