TY - JOUR A1 - Engholm, G. A1 - Palmgren, F. A1 - Lynge, E. T1 - Lung cancer, smoking, and environment: A cohort study of the Danish population Y1 - 1996 DO - 10.1136/bmj.312.7041.1259 JF - British Medical Journal VL - 312 IS - 7041 SP - 1259 EP - -1263 ER -