References
- Krüger TF, Menkveld R, Stander FSH, Lombard CJ, Van der Merve JP, Van Zyl JA et al. Sperm morphologic features as a prognostic factor in in vitro fertilization. Fertil Steril 1986; 46: 1118–23.
- Krüger TF, Acosin AA, Simmons KF, Swanson RJ, Matta JF, Oehninger S. Predictive value of abnormal sperm morphology in in vitro fertilization. Fertil Steril 1988; 49: 11217.
- Krüger TF, Coetzee K. The role of sperm morphology in assisted reproduction. Hum Reprod Update 1999; 5: No. 2: 172–8.
- World Health Organization (1992) WHO Laboratory Manual of the examination of Human Semen and Sperm – Cervical Mucus Interaction, 3rd edn. Cambridge University Press, 1992.
- Billig H, Chun SY, Eisenhauer K, Hsueh AJ. Gonadal cell apoptosis: hormone-regulated cell demise. Hum Reprod Update 1996; 2: 103–17.
- Henriksen K, Toppari J, Heiskanen P, Dunkel L, Parvinen M. Apoptosis in the testis. J Frontiers in Endocrinology 1995; 18: 35–41.
- Vinatier D, Dufour Ph, Subtil D. Apoptosis: A programmed cell death involved in ovarian and uterine physiology. Eur J Obstet Gynecol Reprod Biol 1996; 67: 85102.
- De Lamirande E, Gagnon C. Impact of reactive oxygen species on spermatozoa: A balancing act between beneficial and detrimental effect. Hum Reprod 1995; Oct. 10 (Suppl 1): 15–21.
- Higuchi M, Singh S, Chan H, Aggarwal BB. Protease inhibitors differentially regulate tumor necrosis factor-induced apoptosis, nuclear factor-kappa B activation, cytotoxicity and differentiation. Blood 1995; 86: 2248–56.
- Sun JG, Jurisicova A, Casper RF Detection of deoxyribonucleic acid fragmentation in human sperm: correlation with fertilization in vitro. Biol Reprod 1997; 56: 602–7.
- Gabrielsen A, Petersen K, Mikkelsen AL, Lindenberg S. Intracytoplasmic sperm injection does not overcome an oocyte defect in previous fertilization failure with conventional in-vitro fertilization and normal spermatozoa. Hum Reprod 1996; 11: 1963–5.
- Høst E, Lindenberg S, Kahn JA, Christensen F DNA strand breaks in human sperm cells: A comparison between men with normal and oligozoospermic sperm samples. Acta Obstet Gynecol Scand 1999; 78: 336–9.
- Van den Abbeel E, Van der Elst J, Van Waesberghe I, Camus M, Devroey P, Khan I et al. Hyperstimulation: the need for cryopreservation of embryos. Hum Reprod 1988; 3: 53–7.
- Høst E, Lindenberg S, Ernst E, Christensen F DNA strand breaks in human spermatozoa: a possible factor, to be considered in couples suffering from unexplained infertility. Acta Obstet Gynecol Scand 1999; 78: 622–5.