Lad N, Lad N. Vitrification of day 7 hatching blastocyst using hemistraw resulting in a full term delivery: a case study. Int J Reprod Contracept Obstet Gynecol [Internet]. 2017 Jan. 4 [cited 2025 Oct. 9];5(5):1649-54. Available from: https://www.ijrcog.org/index.php/ijrcog/article/view/1100