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De Santis JP, Colin JM, Provencio Vasquez E, McCain GC.De Santis JP, et al. Among authors: mccain gc.Am J Mens Health. 2008 Dec;2(4):314-21. doi: 10.1177/1557988307312883. Epub 2008 Jan 23.Am J Mens Health. 2008.PMID: 19477795Free article.