Perinatal outcomes of singletons following vitrification versus slow-freezing of embryos: a multicenter cohort study using propensity score analysis - Gu, Fang; Li, Shuzhen; Zheng, Lingyan; Gu, Jing; Li, Tingting; Du, Hongzi; Gao, Caifeng; Ding, Chenhui; Quan, Song; Zhou, Canquan; Li, Ping; Xu, Yanwen (Human reproduction (Oxford), 2019)
Keywords: vitrification / cryopreservation / propensity score / neonatal outcome / slow-freezing