Özçimen, E. E.; Uğur, M.; Uygur, D.; Özçimen, N.; Yılmaz, Z. Use of Human Chorionic Gonadotropin and Vaginal Progesterone Suppositories For Luteal Phase Support in Gonadotropin-Induced Cycles: A Comparative Study. Gynecol Obstet Reprod Med 2006, 12, 35-38.