1[1]Cha KY,Koo JJ,Ko JJ,et al.Pregnancy after in vitro fertilization of human follicular oocytes collected from non-stimulated cycles,their culture in vitro and their transfer in a donor oocyte program.Fertil Steril,1991,55(1):109～113 .
2[2]Trounson A.In vitro maturation and fertilization and development competence of oocytes recovered from untreated polycystic ovarian patients.Fertil Steril,1994,62(1):353～362.
3[3]Barnes FL,Kausche A,Tiglias J,et al.Production of enbryos from in-vitro-matured primary oocytes.Fertil Steril,1996,65(6):1151～1156.
4[4]KLiu J,Katz E,Garcia JE,et al.Successful in vitro maturation of human oocytes not exposed to human chorionic gonadotropin during ovulation induction,resulting in pregnancy.Fertil Steril,1997,76(5):566～568.
6[6]Rutherford AJ.The practical aspects of in vitro maturation of human oocytes.In:Kempers R D,Cohen J,Haney A F,eds.Fertility and reproductive medicine.Elsevier:Amsterdam,1998.577～587.
7[7]Trounson A,Wood C,Kausche A.In vitro maturation and the fertilization and developmental competence of oocytes recovered from untreated polycystic ovarian patients.Fertil Steril,1994,62(2):353～362.
8[8]Gomez E,Tarin JJ,Pellicer A.Oocyte maturation in humans:the role of gonadotropins and growth factors.Fertil Steril,1993,60(1):40～46.
9[9]Cha KY.Future directions of in vitro maturation.In:Kempers RD,Cohen J,Haney AZF,eds.Fertility and reproductive medicine.Elsevier:Amsterdam,1998.589～595.
10[10]Cha KY,Chian RC.Maturation in vitro of immature human oocytes for clinical use.Hum Reprod,1998b,Update 4,103～120.
