TY - JOUR A1 - Schmidt, Martin H. A1 - Esser, Günter A1 - Ihle, Wolfgang A1 - Lay, Barbara T1 - Psychosomatic and depressive symptoms at age eight and age eighteen Y1 - 1998 UR - https://publishup.uni-potsdam.de/frontdoor/index/index/docId/22178 SN - 0065-2008 ER -