Concepedia

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, Roelof Menkveld, Gerhard A. Zielhuis, Régine P.M. Steegers‐Theunissen

Fertility and Sterility · 2002 · 405 citations · 26 references

DOI

Concepts

References

26

Practical Nonparametric Statistics

David J. Groggel, W. J. Conover · Technometrics · 2000 · 11.1K citations

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Laboratory manual for the examination of human semen and semen-cervical mucus interaction.

Belsey Ma, Moghissi Ks, R. Eliasson et al. · 1980 · 2.2K citations

, , +16

Practical Nonparametric Statistics (2nd ed).

Richard A. Groeneveld, W. J. Conover · Journal of the American Statistical Association · 1981 · 1.9K citations

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Practical Nonparametric Statistics

Vasant Bhapkar, W. J. Conover · Technometrics · 1972 · 1.4K citations

Decline in Semen Quality among Fertile Men in Paris during the Past 20 Years

Jacques Auger, Jean Marie Kunstmann, F Czyglik et al. · New England Journal of Medicine · 1995 · 1.1K citations · Full text

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