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A comment on A Population-Level Decline in Serum Testosterone Levels in American Men (2007). Parent comment

Re:A Population-Level Decline in Serum Testosterone Levels i... by whacim on Saturday October 09, 2021 @10:58AM (#28810427)
This Scientific American article may touch upon some of it.

https://www.scientificamerican.com/article/how-lab-rats-are-...

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Re:A Population-Level Decline in Serum Testosterone Levels i... by atlasunshrugged on Sunday October 10, 2021 @05:03AM (#28816927)
Thanks!
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