TY - JOUR T1 - Methodology for Genetic Studies of Twins and Families JF - Journal of Epidemiology and Community Health JO - J Epidemiol Community Health SP - 328 LP - 328 DO - 10.1136/jech.48.3.328 VL - 48 IS - 3 AU - A D Carothers Y1 - 1994/06/01 UR - http://jech.bmj.com/content/48/3/328.1.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -