1. Speroff L, Fritz MA. Clinical gynecologic endocrinology and infertility. 17th ed. Philadelphia: Lippincott Williams & Wilkins; 2005. P. 1215-32.
2. Danforth DN. Danforth's obstetrics and gynecology. 10th ed. Philadelphia: Lippincott Williams & Wilkins; 2008. P. 705
3. Berek JS, Adashi EY, Hillard PA. Novak's gynecology. 14th ed. Philadelphia: Lippincott Williams & Wilkins; 2007. P. 1238-87.
4. Surrey ES. Management of the poor responder: the role of GnRH agonists and antagonists. J Assist Reprod Genet. 2007;24(12):613-9. PMID: 18046641 DOI: 10.1007/s10815-007-9180-3
5. Huang SY, Huang HY, Yu HT, Wang HS, Chen CK, Lee CL, et al. Low-dose GnRH antagonist protocol is as effective as the long GnRH agonist protocol in unselected patients undergoing in vitro fertilization and embryo transfer. Taiwan J Obstet Gynecol. 2011;50(4):432-5. PMID: 22212313 DOI: 10.1016/j.tjog.2011.10.006
6. Li Y, Li Y, Lai Q, Zhang H, Zhu G, Jin L, et al. Comparison between a GnRH agonist and a GnRH antagonist protocol for same patient undergoing IVF. J Huazhong Univ Sci Technolog Med Sci. 2008;28(5):618-20. PMID: 18846352 DOI: 10.1007/s11596-008-0529-3
7. Del Gadillo JC, Siebzehnrübl E, Dittrich R, Wildt L, Lang N. Comparison of GnRH agonist and antagonists in unselected IVF/ICSI patients treated with different controlled ovarian hyperstimulation protocols: a matches study. Eur J Obstet Gynecol Reprod Biol. 2002;102(2):179-83. PMID: 11950487 DOI: 10.1016/s0301-2115(01)00580-2
8. Al-Inany HG, Abou-Setta AM, Aboulghar M. Gonadotropin –releasing hormone antagonists for assisted conception: a cochrane review. Reprod Biomed Online. 2006; 14(5):640-64
9. Al-Inany HG, Abou-Setta AM, Aboulghar M. Gonadotropin –releasing hormone antagonists for assisted conception. Reprod Biomed Online. 2006;12(3):534-9. PMID: 17509210 DOI: 10.1016/s1472-6483(10)61059-0
10. Kim CH, You RM, Kang HJ, Ahn JW, Jeon I, Lee JW, et al. GnRH antagonist multiple dose protocol with oral contraceptive pill pretreatment in poor responders undergoing IVF/ICSI. Clin Exp Reprod Med. 2011;38(4):228-33. PMID: 22384447 DOI: 10.5653/cerm.2011.38.4.228
11. Takahashi K, Mukaida T, Tomiyama T, Goto T, Oka C. GnRH antagonist improved blastocyst quality and pregnancy outcome after multiple failures of IVF/ICSI with a GnRH agonist protocol. J Assist Reprod Genet. 2004;21(9):317-22. PMID: 15587144 DOI: 10.1023/b:jarg.0000045470.68525.a4
12. Madani T, Ashrafi M, Yeganeh LM. Comparison of different stimulation protocols efficacy in poor responders undergoing IVF: a retrospective study. Gynecol Endocrinol. 2012;28(2):102-5. PMID: 22263965 DOI: 10.3109/09513590.2011.579206
13. Kovacs P, Sajgo A, Kaali SG, Pal L. Detrimental effects of high dose gonadotropin on outcome of ivf: making a case for gentle ovarian stimulation strategies. Reprod Sci. 2012;19(7):718-24. PMID: 22378863 DOI: 10.1177/1933719111432859
14. Berin I, Stein DE, Keltz MD. Comparison of GnRH antagonist and GnRH agonists flare protocols for poor responders undergoing in vitro fertilization. Fertil Steril. 2010;93(2):360-3. PMID: 19131055 DOI: 10.1016/j.fertnstert.2008.11.007
15. Nikolettos N, Al-Hasani S, Felberbaum R, Demirel LC, Kupker W, Montzka P, et al. Gonadotropin-releasing hormone antagonist protocol: a novel method of ovarian stimulation in poor responders. Eur J Obstet Gynecol Reprod Biol. 2001;97(2):202-7. PMID: 11451549 DOI: 10.1016/s0301-2115(00)00535-2
16. Ragni G, Vegetti W, Riccaboni A, Engl B, Brigante C, Crosignani PG. Comparison of GnRH agonists and antagonists in assisted reproduction cycles of patients at high risk of ovarian hyperstimulation syndrome. Hum Reprod. 2005;20(9):2421-5. DOI: 10.1093/humrep/dei074
17. Pundir J, Sunkara SK, El-Toukhy T, Khalaf Y. Meta-analysis of GnRH antagonist protocols: do they reduce the risk of OHSS in PCOS? Reprod Biomed Online. 2012;24(1):6-22. PMID: 22133908 DOI: 10.1016/j.rbmo.2011.09.017