TY - JOUR A1 - Spallek, J. A1 - Zeeb, H. A1 - Razum, O. T1 - What do we have to know from migrants’ past exposures to understand their health status? A life course approach Y1 - 2011 DO - 10.1186/1742-7622-8-6 VL - 8 IS - 1 ER -