?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Hoekstra%2C+J.W.&rft.aufirst=J.W.&rft.aulast=Hoekstra&rft.degree=Master&rft.date=2009&rft.title=Mortality+Research+in+Europe+%3A+%E2%80%9CDiscovering+regional+differences+and+patterns+in+mortality+and+in+the+socio-economic+status%2C+%C3%A1nd+studying+the+association+between+mortality+and+the+socio-economic+status.%E2%80%9D