Semen manipulation: improved sperm recovery and function with a two-layer Percoll gradient

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

Induction of the acrosome reaction in human spermatozoa by a fraction of human follicular fluid

Susan S. Suárez, Don P. Wolf, Stanley Meizel · Gamete Research · 1986 · 288 citations

Life Sciences, Biochemistry, Infertility +12

Comparison of techniques for selection of motile spermatozoa

Trish Berger, Richard P. Marrs, Dean L. Moyer · Fertility and Sterility · 1985 · 220 citations

Veterinary Medicine, Biostatistics, Assisted Reproductive Technologies +11

Egg‐penetration ability and structural properties of human sperm prepared by Percoll‐gradient centrifugation

Nongnuj Tanphaichitr, Clarke F. Millette, Alan D. Agulnick et al. · Gamete Research · 1988 · 70 citations

Veterinary Medicine, Biochemistry, In Vitro Fertilization +14