Roelof Menkveld

Sperm morphologic features as a prognostic factor in in vitro fertilization

Thinus F. Kruger, Roelof Menkveld, F. S. H. Stander et al. · Fertility and Sterility · 1986 · 1.2K citations

Infertility, Developmental Biology, Fertility +14

The evaluation of morphological characteristics of human spermatozoa according to stricter criteria

Roelof Menkveld, F. S. H. Stander, T. Kotze et al. · Human Reproduction · 1990 · 672 citations

Effects of folic acid and zinc sulfate on male factor subfertility: a double-blind, randomized, placebo-controlled trial

Wai Yee Wong, Hans M.W.M. Merkus, Chris M.G. Thomas et al. · Fertility and Sterility · 2002 · 400 citations

Nutrition, Infertility, Urology +14

Influence of deoxyribonucleic acid damage on fertilization and pregnancy

Ralf Henkel, Marjam Hajimohammad, T. Stalf et al. · Fertility and Sterility · 2004 · 391 citations

Effect of reactive oxygen species produced by spermatozoa and leukocytes on sperm functions in non-leukocytospermic patients

Ralf Henkel, Eva Kierspel, T. Stalf et al. · Fertility and Sterility · 2005 · 308 citations

Spermatogenesis, Infertility, Andrology +15