The hemizona assay (HZA): development of a diagnostic test for the binding of human spermatozoa to the human hemizona pellucida to predict fertilization potential

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

Veterinary Medicine, Cell Biology, Obstetrics +16

Predictive value of abnormal sperm morphology in in vitro fertilization

Thinus F. Kruger, Anı́bal A. Acosta, Kathryn F. Simmons et al. · Fertility and Sterility · 1988 · 1.2K citations

Veterinary Medicine, Obstetrics, Urology +16

The Use of Zona-Free Animal Ova as a Test-System for the Assessment of the Fertilizing Capacity of Human Spermatozoa

Ryuzo Yanagimachi, Hiroko Yanagimachi, B. J. Rogers · Biology of Reproduction · 1976 · 918 citations

Veterinary Medicine, Animal Sciences, Fertility +16

Penetration of Human Spermatozoa into the Human Zona Pellucida and the Zona-Free Hamster Egg: A Study of Fertile Donors and Infertile Patients

James W. Overstreet, Ryuzo Yanagimachi, David F. Katz et al. · Fertility and Sterility · 1980 · 340 citations

Medicine, Gynecology, Obstetrics +15

Zona‐free hamster eggs: Their use in assessing fertilizing capacity and examining chromosomes of human spermatozoa

Ryuzo Yanagimachi · Gamete Research · 1984 · 274 citations · Full text

Agriculture, Animal Sciences, Cytogenetics +14