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Method-related estimates of sperm vitality.
Cooper TG, Hellenkemper B. Cooper TG, et al. Among authors: hellenkemper b. J Androl. 2009 May-Jun;30(3):214-8. doi: 10.2164/jandrol.108.005819. Epub 2008 Jul 3. J Androl. 2009. PMID: 18599882 Free article.
Mountant-induced loss of Shorr-stained blue sperm tails.
Hellenkemper B, Ströse A, Cooper TG. Hellenkemper B, et al. Asian J Androl. 2010 Mar;12(2):278-80. doi: 10.1038/aja.2009.93. Epub 2010 Jan 25. Asian J Androl. 2010. PMID: 20098440 Free PMC article.
Azoospermia: virtual reality or possible to quantify?
Cooper TG, Hellenkemper B, Jonckheere J, Callewaert N, Grootenhuis AJ, Kersemaekers WM, Leung A, Wang C. Cooper TG, et al. Among authors: hellenkemper b. J Androl. 2006 Jul-Aug;27(4):483-90. doi: 10.2164/jandrol.05210. Epub 2006 Apr 5. J Androl. 2006. PMID: 16598028 Free article. No abstract available.