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. 1998 Sep;106(9):A420–A421. doi: 10.1289/ehp.106-1533166

Re "Have sperm densities declined? A reanalysis of global trend data".

S Becker, K Berhane

PMCID: PMC1533166 PMID: 9841207

A420

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

Becker S., Berhane K. A meta-analysis of 61 sperm count studies revisited. Fertil Steril. 1997 Jun;67(6):1103–1108. doi: 10.1016/s0015-0282(97)81446-x. [DOI] [PubMed] [Google Scholar]
Carlsen E., Giwercman A., Keiding N., Skakkebaek N. E. Evidence for decreasing quality of semen during past 50 years. BMJ. 1992 Sep 12;305(6854):609–613. doi: 10.1136/bmj.305.6854.609. [DOI] [PMC free article] [PubMed] [Google Scholar]
Swan S. H., Elkin E. P., Fenster L. Have sperm densities declined? A reanalysis of global trend data. Environ Health Perspect. 1997 Nov;105(11):1228–1232. doi: 10.1289/ehp.971051228. [DOI] [PMC free article] [PubMed] [Google Scholar]

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