TY - JOUR A1 - Kupper, N. A1 - Boomsma, D.I. A1 - de Geus, E.J.C. A1 - Denollet, J. A1 - Willemsen, G. T1 - Nine-year stability of Type D personality: Contributions of genes and environment Y1 - 2011 DO - 10.1097/PSY.0b013e3181fdce54 JF - Psychosomatic Medicine VL - 73 IS - 1 ER -