11,Hayden CJ,RutherfordAJ,Balen AH.Induction of ov-ulation with the use of a starting dose units of recombinanthuman follicle-stimulating hormone (puergon).Fertil steril,1999,71(1):106-108
22,Hombrug R,Levy H,Ben Rafael Z.A comparativep-rospective study of conventionalregimen with chronic low-dose administration of follicle-stimulating hormone foranovulation associated with polycystic ovary syndrom.Fertil Steril,1995,71(3):544
33,Van Santbrink EJ,Donderwinkel PF,Van Dessel TJ,et al.Gonadotrophin induction ofovulation using a step down dose regimen:single centre clinical experience in 82patients.Hum Reprod,1995,10(5):1048
44,Hugues JN,Cedrin DI,Avril C,et al .Sequentil step up and step down dose regimen:analternative method for ovulation induction with follicle-stimulating hormone in polycysticovarian syndrome.Hum Reprod,1996,11(12):2581
55,Tan ST,Farhi J,Homburg R,et al .Induction ofovulation in clomiphene-resistentpolycystic ovary syndrome with pulsatile GNRH.Obstet Gynecol,1996,88(2):221
66,Isaacs JD ,Lincoln SR,Cowan BD.Extend clomiphene citrate(CC)and prednison for thetreatment of chronic anrovulation resistent to CC alone see comments.FertilSteril,1997,67(4):641
77,Nestler JE,Jakubowicz DJ,Evans WS,et al .Effec-ts of metformin on spontaneous andclomiphene-induced ovulation in the polycystic ovary syndrome.N Engl JMed,1998,338(26):1876
88,Branigan EF,Antointte E M.Treatment of chronic an-ovulation resistant to clomiphenecitrate (CC) by using oral contraceptive ovarian suppression followed by repeat CCtreatment.Fertil Steril,1999,71(3):544-3
99,Tulandi T,Watkin k,Tan ST.Reproductive perfor-mance and three-dimensional ultrasoundvolume determination of polycystic ovaries following laparoscopic ovarian drilling. Int JFertil Womens Med,1997,42(6):436-440
1010,Kaaijk EM,Hamerlynck JV,Beek JF,et al.Clinicaloutcome after unilateral oophorectomyin patients with polycysitic ovary syndrome .Hum Reprod,1999,14(4):889-892
[收稿:2000-01-18]