TY - JOUR A1 - Christensen, A.I. A1 - Ekholm, O. A1 - Glümer, C. A1 - Juel, K. T1 - Effect of survey mode on response patterns: Comparison of face-to-face and self-administered modes in health surveys Y1 - 2013 DO - 10.1093/eurpub/ckt067 VL - 24 IS - 2 ER -