TY - JOUR AN - 1 AU - Andrew,T. AU - Hart,D.J. AU - Snieder,H. AU - de Lange,M. AU - Spector,T.D. AU - MacGregor,A.J. TI - Are twins and singletons comparable? A study of disease-related and lifestyle characteristics in adult women. JO - Twin Res PY - 2001 VL - 4 SP - 464-477 M2 - 464 ER -