Makemaharn, O.; Phornwilardsiri, S.; Laokirkkiat, P. .; Petyim, S. .; Julvijitphong, S. .; Suksompong, S. .; Choavaratana, R. A Comparison between Conventional Slow Freezing and Vitrification of Mouse Blastocysts using Cryo-E. Siriraj Med J 2008, 60, 349-352.