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Archives of Andrology|September 1, 1993
Effect of semen characteristics on pregnancy rate in a gamete intrafallopian transfer programT F Kruger, D R Franken, E Stander, et al.Journal of Assisted Reproduction and Genetics|October 1, 1995
Influence of elevated pH levels on structural and functional characteristics of the human zona pellucida: functional morphological aspectsR Henkel, S Cooper, K Kaskar, et al.Fertility and Sterility|January 1, 1995
Sperm morphology: assessing the agreement between the manual method (strict criteria) and the sperm morphology analyzer IVOST F Kruger, T C du Toit, D R Franken, et al.Human Reproduction (Oxford, England)|February 25, 2000
Sperm chromatin packaging as an indicator of in-vitro fertilization ratesA D Esterhuizen, D R Franken, J G Lourens, et al.Andrologia|May 1, 1991
The hemizona assay (HZA) as an experimental model to evaluate the inhibition of sperm binding to the murine zona pellucida by isolated zona pellucida proteinM L Windt, D R Franken, P M de Beer, et al.Archives of Andrology|March 1, 1996
Comparison of motility characteristics and normal sperm morphology of human semen samples separated by percoll density gradient centrifugationO E Claassens, K Kaskar, K Coetzee, et al.Fertility and Sterility|September 1, 1990
Hemizona assay and teratozoospermia: increasing sperm insemination concentrations to enhance zona pellucida bindingD R Franken, T F Kruger, R Menkveld, et al.Human Reproduction (Oxford, England)|September 1, 1992
The influence of solubilized porcine zona pellucida protein on the binding capacity of human spermatozoaM L Windt, P M de Beer, D R Franken, et al.Biology of Reproduction|February 28, 2003
Localization of tyrosine phosphorylated proteins in human sperm and relation to capacitation and zona pellucida bindingD Sakkas, G Leppens-Luisier, H Lucas, et al.Andrologia|January 1, 1994
Wheat germ agglutinin receptors on human sperm membranes and sperm morphologyL K Gabriel, D R Franken, G van der Horst, et al.Pageof 15