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Lee, Kyung-Hee, Chung-Hoon Kim, Hye-Jin Suk, You-Jeong Lee, Su-Kyung Kwon, Sung-Hoon Kim, Hee-Dong Chae, and Byung-Moon Kang. The Effect of Aromatase Inhibitor Letrozole Incorporated in Gonadotrophin-releasing Hormone Antagonist Multiple Dose Protocol in Poor Responders Undergoing in Vitro Fertilization. Korean Society of Obstetrics and Gynecology; Korean Society of Contraception and Reproductive Health; Korean Society of Gynecologic Endocrinology; Korean Society of Gynecologic Endoscopy and Minimal Invasive Surgery; Korean Society of Maternal Fetal Medicine; Korean Society of Ultrasound in Obstetrics and Gynecology; Korean Urogynecologic Society, 2014.

Lee, Kyung-Hee, et al. The Effect of Aromatase Inhibitor Letrozole Incorporated in Gonadotrophin-releasing Hormone Antagonist Multiple Dose Protocol in Poor Responders Undergoing in Vitro Fertilization. Korean Society of Obstetrics and Gynecology; Korean Society of Contraception and Reproductive Health; Korean Society of Gynecologic Endocrinology; Korean Society of Gynecologic Endoscopy and Minimal Invasive Surgery; Korean Society of Maternal Fetal Medicine; Korean Society of Ultrasound in Obstetrics and Gynecology; Korean Urogynecologic Society, 2014.