Alyson Hunter1, Peter Soothill. 1. Fetal Medicine Research Unit, Department of Obstetrics and Gynaecology, University of Bristol, St Michael's Hospital, Bristol, UK. a.hunter@bristol.ac.uk
Authors: Shao Lin; Jean Pierre W Munsie; Michele L Herdt-Losavio; Erin Bell; Charlotte Druschel; Paul A Romitti; Richard Olney Journal: Am J Epidemiol Date: 2008-04-23 Impact factor: 4.897