Khalifa, E.E.A.E., Orief, Y.I., Said, T.H.M. and Elmaksoud, D.A.A.A. 2016. Fixed gonadotropin-releasing hormone antagonist protocol versus gonadotropin-releasing hormone agonist long protocol in patients with polycystic ovary syndrome treated for intracytoplasmic sperm injection cycles. International Journal of Reproduction, Contraception, Obstetrics and Gynecology. 5, 4 (Dec. 2016), 1134–1139. DOI:https://doi.org/10.18203/2320-1770.ijrcog20160872.