Mahapatro, A. K., K. Shankar, and T. Varma. “Empty Follicle Syndrome After GnRH Agonist Trigger, Rescued With HCG in a Donor Oocyte With Successful Pregnancy Outcome: A Case Report”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 5, no. 2, Dec. 2016, pp. 549-51, doi:10.18203/2320-1770.ijrcog20160410.