TY - JOUR A1 - Cessie, S. A1 - Debeij, J. A1 - Rosendaal, F.R. A1 - Cannegieter, S.C. A1 - Vandenbroucke, J.P. T1 - Quantification of bias in direct effects estimates due to different types of measurement error in the mediator Y1 - 2012 DO - 10.1097/EDE.0b013e318254f5de VL - 23 IS - 4 ER -