@misc{SpallekGrosserHoellerHoltrichteretal., author = {Spallek, Jacob and Grosser, Angelique and H{\"o}ller-Holtrichter, Chantal and Doyle, Ina-Merle and Breckenkamp, J{\"u}rgen and Razum, Oliver}, title = {Early childhood health in Bielefeld, Germany (BaBi study) : study protocol of a social-epidemiological birth cohort}, series = {British Medical Journal Open}, volume = {7}, journal = {British Medical Journal Open}, number = {8}, issn = {2044-6055}, doi = {10.1136/bmjopen-2017-018398}, pages = {5}, language = {en} } @misc{GrosserHoellerHoltrichterBreckenkampetal., author = {Grosser, Angelique and H{\"o}ller-Holtrichter, Chantal and Breckenkamp, J{\"u}rgen and Hoffmann, Renata and Spallek, Jacob and Razum, Oliver}, title = {Impact of migration background on the uptake of antenatal care: the BaBi birth cohort study, Germany}, series = {Das Gesundheitswesen}, volume = {79}, journal = {Das Gesundheitswesen}, number = {08/09}, issn = {1439-4421}, doi = {10.1055/s-0037-1605903}, pages = {656 -- 804}, language = {en} }