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Volume 15, Issue 2 (March 2013) 15, 184–186; 10.1038/aja.2012.90
Sperm crisis: what crisis?
Eberhard Nieschlag1 and Alexander Lerchl2
1 Centre of Reproductive Medicine and Andrology, University of Münster, Münster 48129, Germany
2 School of Engineering and Science, Jacobs University Bremen, Bremen 28759, Germany
Correspondence: Professor E Nieschlag, (Eberhard.Nieschlag@ukmuenster.de)
Received 18 July 2012; Revised 26 July 2012; Accepted 26 July 2012 Advance online publication 24 September 2012
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For 20 year the so-called “sperm crisis” caused unrest among the public as well as the scientific community. Studies precipitated by this virtual crisis have refuted its existence, but have also illuminated hitherto neglected aspects of male reproductive function and indicateda need for prospective, long-term monitoring systems.
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