4Francavilla S, Bianco MA, Cordeschi G, et al. Ultrastructural analysis of chromatin defects in testicular spermatids in azoospermic men submitted to TESE-ICSI. Human Reprod,2001, 16 (7): 1440-1448.
2Levran D, Nahum H, Farhi J, et al. Poor outcome with round spermatid injection in azoospermic patients with maturation arrest [J]. Fertil Steril, 2000, 74(3) : 443-449.
3Balaban B, Urman B, Isiklar A, et al. Progression to the blastocyst stage of embryos derived from testicular round spermatids [J]. Hum Reprod, 2000, 15(6) : 1377-1382.
4Urman B, Alatas C, Aksoy S, et al. Transfer at the blastocyst stage of embryos derived from testicular round spermatid injection [J]. Hum Reprod, 2002, 17(3) : 741-743.
5Vicdan K, Isik AZ, Delilbasi L. Development of blastocyst-stage embryos after round spermatid injection in patients with complete spermiogenesis failure [ J ]. J Assist Reprod Genet, 2001, 18(2) :78-86.
6Sofikitis N, Miyagawa I, Yanmmoto Y, et al. Micro- and macroconsequences of ooplasmic injections of early haploid male gametes[J]. Hum Reprod Update, 1998, 4(3) :197-212.
7Sakurai A, Oda S, Kuwabara Y, et al. Fertilization, embryonic development, and offspring from mouse eggs injected with round spennafids combined with Ca^2+ oscillation-inducing sperm factor [J]. Mol Hum Repred, 1999, 5(2) :132-138.
8Tesarik J, Mendoza C, Greco E. The activity ( calcium oscillator?) responsible for human oocyte activation after injection with round spermatids is associated with spermatid nuclei [ J ]. Fertil Steril, 2000, 74(6):1245-1247.
9Francavilla S, Bianco MA, Cordeschi G, et al. Ultrastructural analysis of chromatin defects in testicular spermatids in azoospermic men submitted to TESE-ICSI[J]. Hum Reprod, 2001, 16(7) :1440-1448.
10Carrell DT, Liu L. Altered protamine 2 expression is uncommon in donors of known fertility, but common among men with poor fertilizing capacity, and may reflect other abnormalities of spermiogenesis[J]. J Androl, 2001, 22(4) :604-610.