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Human Reproduction (Oxford, England)|December 16, 1998
Evaluation of three substitutes for Percoll in sperm isolation by density gradient centrifugationO E Claassens, R Menkveld, K L HarrisonAndrologia|September 7, 2013
Revisiting the assessment of semen viscosity and its relationship to leucocytospermiaM Flint, S S du Plessis, R MenkveldArchives of Andrology|January 1, 1988
Evaluation of immunobead test (IBT), tray-agglutination test (TAT), and sperm immobilization test (SIT)E Pretorius, M L Windt, R Menkveld, et al.Journal of Assisted Reproduction and Genetics|August 14, 2001
Seasonal changes in human sperm chromatin condensationR Henkel, R Menkveld, M Kleinhappl, et al.Andrologia|May 1, 1983
A possible increase in the number of metaphase I spermatocytes in testicular biopsy of infertile men with chromosomal aberrationsR Menkveld, J A van Zyl, A E RetiefAndrologia|November 1, 1984
A statistical comparison of three methods for the counting of human spermatozoaR Menkveld, J A Van Zyl, T J KotzeJournal of Assisted Reproduction and Genetics|August 10, 2002
Zona pellucida induced acrosome reaction, sperm morphology, and sperm-zona binding assessments among subfertile menH S Bastiaan, R Menkveld, S Oehninger, et al.Human Reproduction Update|November 1, 1995
Sperm morphology assessment: historical review in relation to fertilityW Ombelet, R Menkveld, T F Kruger, et al.Journal of Pediatric Orthopedics|May 1, 1988
Analysis of gait patterns in normal school-aged childrenS R Menkveld, E A Knipstein, J R QuinnPageof 11