AU - Matthysse S, Holzman P TI - LImitations of the ratio of concordance rates in monozygotic and dizygotic twins-reply PT - JOUR DP - 1989 TA - Archives of General Psychiatry pages = {479-480}, VI - 46 IP - 5 AID - 10.1001/archpsyc.1989.01810050093017 [doi] 4100 - http://dx.doi.org/10.1001/archpsyc.1989.01810050093017 SO - Archives of General Psychiatry May 1, 1989 46(5):479