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Experts reveal the 23 things that can leave men infertile - and how to avoid it | Daily Mail Online
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My Four Months as a Private Prison Guard: A Mother Jones Investigation – Mother Jones
Spider sex: Why male spiders intentionally castrate themselves during copulation.
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My Four Months as a Private Prison Guard: A Mother Jones Investigation – Mother Jones
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The molecular basis and reproductive function(s) of copulatory plugs - Schneider - 2016 - Molecular Reproduction and Development - Wiley Online Library
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/https://tf-cmsv2-smithsonianmag-media.s3.amazonaws.com/filer_public/82/85/82858bb0-76e0-4da4-832b-ddb1ebc5ae11/duckvaginafrombrennan_web.jpg "Why Have Female Animals Evolved Such Wild Genitals? | Science | Smithsonian Magazine")
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Electric shock to penis may cure premature ejaculation: study
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First, Become Ashes by K.M. Szpara | Goodreads
My life in sex: 'I no longer worry about my foreskin getting trapped' | Sex | The Guardian
Erectile Dysfunction | Conditions | UCSF Health
Extreme Urology: Practice on the Edge by American Urological Association - Issuu
