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. 1992 Nov 14;305(6863):1228–1229. doi: 10.1136/bmj.305.6863.1228-c

Decreasing quality of semen.

I S Tummon, D Mortimer

PMCID: PMC1883833 PMID: 1467744

1228

Selected References

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

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]
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Neuwinger J., Behre H. M., Nieschlag E. External quality control in the andrology laboratory: an experimental multicenter trial. Fertil Steril. 1990 Aug;54(2):308–314. [PubMed] [Google Scholar]

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