AU - Kendler KS TI - LImitations of the ratio of concordance rates in monozygotic and dizygotic twins PT - JOUR DP - 1989 TA - Archives of General Psychiatry pages = {477-478}, VI - 46 IP - 5 AID - 10.1001/archpsyc.1989.01810050091015 [doi] 4100 - http://dx.doi.org/10.1001/archpsyc.1989.01810050091015 SO - Archives of General Psychiatry May 1, 1989 46(5):477