Sperm concentration dependency in the fe
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Wolf, D. P. ;Inoue, M.
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Article
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1976
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John Wiley and Sons
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English
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## Abstract Sperm penetration of zonae and fertilization of mouse eggs in vitro was studied as a function of sperm concentration over the range 10^3^โ10^6^ cells/ml. Maximal fertilization was obtained at 10^5^ sperm/ml with markedly reduced levels seen at lower concentrations. Eggs inseminated at l