Search results for: Biao Xu
BMC Pregnancy and Childbirth > 2018 > 18 > 1 > 1-7
Tobacco Induced Diseases > 2016 > 14 > 1 > 1-7
European Journal of Epidemiology > 2011 > 26 > 1 > 39-44
Journal of Clinical Epidemiology > 2008 > 61 > 11 > 1182-1186