Cryopreservation of human embryos by vitrification or slow freezing: a...
Cryopreservation of human embryos by vitrification or slow freezing: a systematic review and meta-analysis
Loutradi K; Kolibianakis EM; Venetis CA; Papanikolaou EG; Bontis J; Tarlatzis BC, 2007, 'Cryopreservation of human embryos by vitrification or slow freezing: a systematic review and meta-analysis', Human Reproduction, vol. 22, pp. I53 - I53