https://erowid.org/references/refs_view.php?ID=3368&S=mdma%20or%20methylenedioxymethamphetamine%20sex
Erowid.org: Erowid Reference 3368 : Effects of 5,6-Dihydroxytryptamine and 5,7-Dihydroxytryptamine...
The Index page for the reference article: Da Prada M, Pieri L, Keller HH, Pieri M, Bonetti EP Effects of 5,6-Dihydroxytryptamine and 5,7-Dihydroxytryptamine on...
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