Two men performing anal sex; advertisement for safe sex to reduce the risk of HIV by the Core Program. Lithograph by Charles R. Moniz

Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)

Credit: Two men performing anal sex; advertisement for safe sex to reduce the risk of HIV by the Core Program. Lithograph by Charles R. Moniz. Wellcome Collection. Source: Wellcome Collection.

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