https://www.erowid.org/references/refs_view.php?ID=8197&S=Shulgin_A&SField=Author,1708612238
Erowid.org: Erowid Reference 8197 : Mescale Button in Headaches : Patrick
The Index page for the reference article: Patrick Mescale Button in Headaches J Nervous Mental Disease 1896 24:322
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