| Sperm morphologic features as a prognostic factor in in vitro fertilization TF Kruger, R Menkveld, FSH Stander, CJ Lombard, JP Van der Merwe, ... Fertility and sterility 46 (6), 1118-1123, 1986 | 1629 | 1986 |
| The evaluation of morphological characteristics of human spermatozoa according to stricter criteria R Menkveld, FSH Stander, TJW Kotze, TF Kruger, JA Zyl Human Reproduction 5 (5), 586-592, 1990 | 838 | 1990 |
| Effects of folic acid and zinc sulfate on male factor subfertility: a double-blind, randomized, placebo-controlled trial WY Wong, HMWM Merkus, CMG Thomas, R Menkveld, GA Zielhuis, ... Fertility and sterility 77 (3), 491-498, 2002 | 588 | 2002 |
| Influence of deoxyribonucleic acid damage on fertilization and pregnancy R Henkel, M Hajimohammad, T Stalf, C Hoogendijk, C Mehnert, ... Fertility and sterility 81 (4), 965-972, 2004 | 511 | 2004 |
| Effect of reactive oxygen species produced by spermatozoa and leukocytes on sperm functions in non-leukocytospermic patients R Henkel, E Kierspel, T Stalf, C Mehnert, R Menkveld, HR Tinneberg, ... Fertility and sterility 83 (3), 635-642, 2005 | 421 | 2005 |
| Semen parameters, including WHO and strict criteria morphology, in a fertile and subfertile population: an effort towards standardization of in-vivo thresholds R Menkveld, WY Wong, CJ Lombard, AMM Wetzels, CMG Thomas, ... Human reproduction 16 (6), 1165-1171, 2001 | 358 | 2001 |
| DNA fragmentation of spermatozoa and assisted reproduction technology R Henkel, E Kierspel, M Hajimohammad, T Stalf, C Hoogendijk, ... Reproductive biomedicine online 7 (4), 477-484, 2003 | 355 | 2003 |
| Clinical significance of the low normal sperm morphology value as proposed in the fifth edition of the WHO Laboratory Manual for the Examination and Processing of Human Semen R Menkveld Asian journal of andrology 12 (1), 47, 2010 | 261 | 2010 |
| Measurement and significance of sperm morphology R Menkveld, CAG Holleboom, JPT Rhemrev Asian journal of andrology 13 (1), 59, 2011 | 247 | 2011 |
| Sperm morphology assessment: historical review in relation to fertility W Ombelet, R Menkveld, TF Kruger, O Steeno Human Reproduction Update 1 (6), 543-557, 1995 | 206 | 1995 |
| Acrosomal morphology as a novel criterion for male fertility diagnosis: relation with acrosin activity, morphology (strict criteria), and fertilization in vitro R Menkveld, JPT Rhemrev, DR Franken, JPW Vermeiden, TF Kruger Fertility and sterility 65 (3), 637-644, 1996 | 199 | 1996 |
| Morphometric dimensions of the human sperm head depend on the staining method used L Maree, SS Du Plessis, R Menkveld, G Van der Horst Human Reproduction 25 (6), 1369-1382, 2010 | 194 | 2010 |
| A practical guide to basic laboratory andrology L Björndahl, D Mortimer, CLR Barratt, JA Castilla, R Menkveld, U Kvist, ... Cambridge University Press, 2010 | 173 | 2010 |
| Sperm morphology assessment—historical perspectives and current opinions D MORTIMER, R MENKVELD Journal of andrology 22 (2), 192-205, 2001 | 173 | 2001 |
| A new computerized method of reading sperm morphology (strict criteria) is as efficient as technician reading TF Kruger, TC DuToit, DR Franken, AA Acosta, SC Oehninger, ... Fertility and sterility 59 (1), 202-209, 1993 | 171 | 1993 |
| Sperm selection capacity of the human zona pellucida R Menkveld, DR Franken, TF Kruger, S Oehninger, GD Hodgen Molecular reproduction and development 30 (4), 346-352, 1991 | 157 | 1991 |
| Chromosome studies in 496 infertile males with a sperm count below 10 million/ml AE Retief, JA Van Zyl, R Menkveld, MF Fox, GM Kotze, J Brusnický Human genetics 66, 162-164, 1984 | 154 | 1984 |
| Obesity is associated with increased seminal insulin and leptin alongside reduced fertility parameters in a controlled male cohort K Leisegang, PJD Bouic, R Menkveld, RR Henkel Reproductive Biology and Endocrinology 12, 1-12, 2014 | 141 | 2014 |
| ESHRE special interest group for andrology basic semen analysis course: a continued focus on accuracy, quality, efficiency and clinical relevance CLR Barratt, L Björndahl, R Menkveld, D Mortimer Human Reproduction 26 (12), 3207-3212, 2011 | 127 | 2011 |
| Evaluation of three substitutes for Percoll in sperm isolation by density gradient centrifugation. OE Claassens, R Menkveld, KL Harrison Human reproduction (Oxford, England) 13 (11), 3139-3143, 1998 | 110 | 1998 |
