TY - JOUR A1 - Doll, R. A1 - Peto, R. A1 - Boreham, J. A1 - Sutherland, I. T1 - Mortality in relation to smoking: 50 years’ observations on male British doctors Y1 - 2004 DO - 10.1136/bmj.38142.554 479.AE JF - Journal of Epidemiology and Community Health VL - 58 IS - 11 ER -