Embryo transfer day does not affect the initial maternal serum beta-hCG levels: A retrospective cohort study

作者:Dahiya Mona; Rupani Iarishma; Yu Su Ling; Fook Chong Stephanie M C; Fui Diana Chia Siew; Rajesh Hemashree
来源:European Journal of Obstetrics & Gynecology and Reproductive Biology, 2017, 212: 75-79.
DOI:10.1016/j.ejogrb.2017.03.015