TY - JOUR A1 - Koopmans, J.R. A1 - van Doornen, L.J.P. A1 - Boomsma, D.I. T1 - Association between alcohol use and smoking in adolescent and young adult twins: A bivariate genetic analysis Y1 - 1997 DO - 10.1111/j.1530-0277.1997.tb03800.x JF - Alcoholism: Clinical and Experimental Research VL - 21 IS - 3 SP - 537 EP - -546 ER -