References
- Lu J. C., Chen F., Xu H. R., Wu Y. M., Xia X. Y., Huang Y. F., Lu N. Q. Is flow cytometry really adapted to the determination of sperm concentration?. Scand J Clin Lab Invest 2007; 67: XX–X
- Bonde J. P., Ernst E., Jensen T. K., Hjollund N. H., Kolstad H., Henriksen T. B., et al. Relation between semen quality and fertility: a population‐based study of 430 first‐pregnancy planners. Lancet 1998; 352: 1172–7
- Larsen L., Scheike T., Jensen T. K., Bonde J. P., Ernst E., Hjollund N. H., et al. Computer‐assisted semen analysis parameters as predictors for fertility of men from the general population. The Danish First Pregnancy Planner Study Team. Hum Reprod 2000; 15: 1562–7
- Zinaman M. J., Brown C. C., Selevan S. G., Clegg E. D. Semen quality and human fertility: a prospective study with healthy couples. J Androl 2000; 21: 145–53
- Slama R., Eustache F., Ducot B., Jensen T. K., Jorgensen N., Horte A., et al. Time to pregnancy and semen parameters: a cross‐sectional study among fertile couples from four European cities. Hum Reprod 2002; 17: 503–15
- World Health Organization. WHO laboratory manual for the examination of human semen and sperm‐cervical mucus interaction, 4th edn. Cambridge University Press, Cambridge 1999
- Douglas‐Hamilton D. H., Smith N. G., Kuster C. E., Vermeiden J. P., Althouse G. C. Capillary‐loaded particle fluid dynamics: effect on estimation of sperm concentration. J Androl 2005; 26: 115–22
- Mahmoud A. M., Depoorter B., Piens N., Comhaire F. H. The performance of 10 different methods for the estimation of sperm concentration. Fertil Steril 1997; 68: 340–5
- Keel B. A., Quinn P., Schmidt C. F Jr., Serafy N. T Jr., Serafy N. T Sr., Schalue T. K. Results of the American Association of Bioanalysts' national proficiency testing programme in andrology. Hum Reprod 2000; 15: 680–6
- Tomlinson M., Turner J., Powell G., Sakkas D. One‐step disposable chambers for sperm concentration and motility assessment: how do they compare with the World Health Organization's recommended methods?. Hum Reprod 2001; 16: 121–4
- Brazil C., Swan S. H., Drobnis E. Z., Liu F., Wang C., Redmon J. B., et al. Study for Future Families Research Group. Standardized methods for semen evaluation in a multicenter research study. J Androl 2004; 25: 635–44
- Christensen P., Stryhn H., Hansen C. Discrepancies in the determination of sperm concentration using Burker‐Turk, Thoma and Makler counting chambers. Theriogenology 2005; 63: 992–1003
- Amann R. P., Katz D. F. Reflections on CASA after 25 years. J Androl 2004; 25: 317–25
- Zinaman M. J., Uhler M. L., Vertuno E., Fisher S. G., Clegg E. D. Evaluation of computer‐assisted semen analysis (CASA) with IDENT stain to determine sperm concentration. J Androl 1996; 17: 288–92
- ESHRE (European Society of Human Reproduction and Embryology). Guidelines on the application of CASA technology in the analysis of spermatozoa. Hum Reprod 1998; 13: 142–5
- Eustache F., Jouannet P., Auger J. Evaluation of flow cytometric methods to measure human sperm concentration. J Androl 2001; 22: 558–67
- Tsuji T., Okada H., Fujisawa M., Hamaguchi Y., Kamidono S. Automated sperm concentration analysis with a new flow cytometry‐based device, S‐FCM. Am J Clin Pathol 2002; 117: 401–8
- Perticarari S., Ricci G., Granzotto M., Boscolo R., Pozzobon C., Guarnieri S., et al. A new multiparameter flow cytometric method for human semen analysis. Hum Reprod 2006, doi: 10.1093/humrep/del415
- Jørgensen N., Auger J., Giwercman A., Irvine D. S., Jensen T. K., Jouannet P., et al. Semen analysis performed by different laboratory teams: an intervariation study. Int J Androl 1997; 20: 201–8
- Auger J., Eustache F., Ducot B., Blandin T., Daudin M., Diaz I., et al. Intra‐ and inter‐individual variability in human sperm concentration, motility and vitality assessment during a workshop involving ten laboratories. Hum Reprod 2000; 15: 2360–8
- Brazil C., Swan S. H., Tollner C. R., Treece C., Drobnis E. Z., Wang C., et al. Study for Future Families Research Group. Quality control of laboratory methods for semen evaluation in a multicenter research study. J Androl 2004; 25: 645–56
- Jorgensen N., Asklund C., Carlsen E., Skakkebaek N. E. Coordinated European investigations of semen quality: results from studies of Scandinavian young men are a matter of concern. Int J Androl 2006; 29: 54–61, discussion 105–8