Levine, Richard J.; Mathew, Ravi M.; Chenault, C. Brandon; Brown, Michelle H.; Hurtt, Mark E.; Bentley, Karin S.; Mohr, Kathleen L.; Working, Peter K. (1990). Differences in the Quality of Semen in Outdoor Workers during Summer and Winter. New England Journal of Medicine, 323(1), 12–16.
doi:10.1056/nejm199007053230103
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