REFERENCES
- Aitken RJ (1983): Clinical assessment of human sperm function. J Obstet Gynecol 3:48.
- Auger J, Mesbah M, Huber C, Dadoune JP (1990): Aniline blue staining as a marker of sperm chromatin defects associated with different semen characteristics discriminates between proven fertile and suspected infertile men. Int J Androl 13:452–462.
- Bach O, Glander HJ, Scholz G, Schwarz J (1990): Electrophoretic patterns of spermatozoal nucleo-proteins (NP) in fertile men and infertile patients and comparison with NP of somatic cells. Andrologia 22:217–224.
- Bedford JM, Bent MJ, Calvin H (1973): Variations in the structural character and stability of the nuclear chromatin in morphologically normal human spermatozoa. J Reprod Fertil 333:19–28.
- Calvin HI (1976): Comparative analysis of the nuclear basic proteins in rat, human, guinea pig, mouse and rabbit spermatozoa. Biochim Biophys Acta 434:377–389.
- Diemer T, Desjardins C (1999): Developmental and genetic disorders in spermatogenesis. Hum Reprod Update 5:120–140.
- Foresta C, Zorui M, Rossato M, Varotto A (1992): Sperm nuclear instability and staining with aniline blue: abnormal persistence of histones in spermatozoa in fertile men. Int J. Androl 15:330–337.
- Gusse M, Sautiere P, Belaiche D (1986): Purification and characterisation of nuclear basic proteins of human sperm. Biochim Biophys Acta 884:124–134.
- Haidl G (1996): Andrologische Diagnostik Heute. Fortschr Med. 114:465–469.
- Hammadeh ME, Al-Hasani S, Doerr S, Stieber M, Rosenbaum P, Schmidt W, Diedrich K (1999): Comparison between chromatin condensation and morphology from testis biopsy extracted and ejaculated spermatozoa and their relationship to ICSI outcome. Hum Reprod 2:363–367.
- Hammadeh ME, Stieber M, Haidl G, Schmidt W (1998): Association between sperm cell chromatin condensation, morphology based on strict criteria and fertilization, cleavage, and pregnancy rates in IVF programme. Andrologia 30:29–35.
- Hofmann N, Hilschler B (1991): Use of aniline blue to assess chromatin condensation in morphologi-cally normal spermatozoa in normal and infertile men. Hum. Reprod 6:979–982.
- Ibrahim ME, Moussa MAA, Dedersen H (1988): Sperm chromatin heterogeneity as an infertility factor. Arch Androl 21:129–133.
- Johnson MD (1998): Genetic risks of intracytoplasmic sperm injection in the treatment of male infertility: recommendations for genetic counselling and screening. Fertil Steril 70:397–411.
- Kruger TF, Menkveld R, Stander FSH (1986): Sperm morphology features as a prognostic factor in IVF. Fertil Steril 46:1118–1123.
- Liu DY, Du-Plessisy P, Nayudu PL, Johnston WI, Baker HW (1988): The use of in vitro fertilisatim to evaluate putative tests of human sperm function. Fertil Steril 49:272–277.
- Ombelet W, Pollet H, Bosmans E, Vereecken A (1997): Results of a questionnaire on sperm morphol-ogy assessment. Hum Reprod 12:1015–1020.
- Sakkas D, Urner F, Bianchi PG, Bizzaro D, Wagner T, Jacquenoud N, Manicardi G, Campana A (1996): Sperm chromatin anomalies can influence decondensation after intracytoplasmic sperm injec-tion. Hum Reprod 11:837–843.
- Sakkas D, Urner F, Bizzaro D, Minicardi G, Bianchi PG, Shoukir Y, Campana A (1999): Sperm nuclear DNA damage and altered chromatin structure: effect on fertilisation and embryo develop-ment. Hum Reprod 13:11–19.
- Terquem A, Dadoune JP (1983): Aniline blue staining of human sperm chromatin: evaluation of nuclear maturation. In: The Cell. Andre J (Ed). London: Martinus Nijhoff, pp 249–252.
- World Health Organisation (WHO) (1992): Laboratory Manual for the Examination of Human Semen and Semen Cervical Mucus Interaction. Cambridge, UK: Cambridge University Press, pp 6–7.
- Zamboni L (1992): Sperm structure and its relevance to infertility. Arch Pathol Lab Med 116:325–344.