A retrospective study comparing pregnancy outcomes of luteal support protocols in frozen-thawed embryo transfer cycles#br#
LI Lin, PAN Ping, QIU Qi, YAN Dong, ZHANG qingxue, CHEN Xiaoli
Chinese Journal of Clinical Obstetrics and Gynecology . 2021, (4): 390 -393 .  DOI: 10.13390/j.issn.1672-1861.2021.04.015