TY - JOUR A1 - Grimmer, I. A1 - Bührer, C. A1 - Dudenhausen, J.W. A1 - Stroux, A. A1 - Reiher, H. A1 - Halle, H. A1 - Obladen, M. T1 - Preconceptional factors associated with very low birthweight delivery in East and West Berlin: A case control study Y1 - 2002 DO - 10.1186/1471-2458-2-10 UR - http://www.biomedcentral.com/1471-2458/2/10 JF - BMC Public Health VL - 2 ER -