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Archives of Andrology|December 1, 1981
Effect of cAMP, Mn2+, and phosphodiesterase inhibitors on human sperm motilityC Y Cheng, B Boettcher
Contraception|August 1, 1981
Effects of steroids on the in vitro forward migration of human spermatozoaC Y Cheng, B Boettcher
Fertility and Sterility|September 1, 1978
Binding of steroids to human spermatozoa and its possible role in contraceptionR V Hyne, B Boettcher
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