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https://www.dea.gov/documents/2011/2011-01/2011-01-01/4-methoxyphencyclidine-analytical-profile-microgram-journal 4-Methoxyphencyclidine: An Analytical Profile (Microgram Journal 2011;8(2):39-42) 4-Methoxyphencyclidine: An Analytical Profile (Microgram Journal 2011;8(2):39-42) 4 methoxyphencyclidine https://www.erowid.org/references/refs_view.php?ID=8487 Erowid.org: Erowid Reference 8487 : 4-Methoxyphencyclidine: An Analytical Profile : Casale JF The Index page for the reference article: Casale JF 4-Methoxyphencyclidine: An Analytical Profile Microgram Journal 2011 8(2):39-42 erowid org4 methoxyphencyclidinereference8487