Reimann W, Schneider F (May 1998). "Induction of 5-hydroxytryptamine release by tramadol, fenfluramine and reserpine". European Journal of Pharmacology. 349 (2–3): 199-203. doi:10.1016/S0014-2999(98)00195-2. PMID9671098.
Gobbi M, Moia M, Pirona L, Ceglia I, Reyes-Parada M, Scorza C, Mennini T (September 2002). "p-Methylthioamphetamine and 1-(m-chlorophenyl)piperazine, two non-neurotoxic 5-HT releasers in vivo, differ from neurotoxic amphetamine derivatives in their mode of action at 5-HT nerve endings in vitro". Journal of Neurochemistry. 82 (6): 1435-43. doi:10.1046/j.1471-4159.2002.01073.x. hdl:10533/173421. PMID12354291.
Bannister K (June 2015). "Opioid-induced hyperalgesia: where are we now?". Current Opinion in Supportive and Palliative Care. 9 (2): 116-21. doi:10.1097/SPC.0000000000000137. PMID25872113.
Gobbi M, Moia M, Pirona L, Ceglia I, Reyes-Parada M, Scorza C, Mennini T (September 2002). "p-Methylthioamphetamine and 1-(m-chlorophenyl)piperazine, two non-neurotoxic 5-HT releasers in vivo, differ from neurotoxic amphetamine derivatives in their mode of action at 5-HT nerve endings in vitro". Journal of Neurochemistry. 82 (6): 1435-43. doi:10.1046/j.1471-4159.2002.01073.x. hdl:10533/173421. PMID12354291.
Reimann W, Schneider F (May 1998). "Induction of 5-hydroxytryptamine release by tramadol, fenfluramine and reserpine". European Journal of Pharmacology. 349 (2–3): 199-203. doi:10.1016/S0014-2999(98)00195-2. PMID9671098.
Gobbi M, Moia M, Pirona L, Ceglia I, Reyes-Parada M, Scorza C, Mennini T (September 2002). "p-Methylthioamphetamine and 1-(m-chlorophenyl)piperazine, two non-neurotoxic 5-HT releasers in vivo, differ from neurotoxic amphetamine derivatives in their mode of action at 5-HT nerve endings in vitro". Journal of Neurochemistry. 82 (6): 1435-43. doi:10.1046/j.1471-4159.2002.01073.x. hdl:10533/173421. PMID12354291.
Bannister K (June 2015). "Opioid-induced hyperalgesia: where are we now?". Current Opinion in Supportive and Palliative Care. 9 (2): 116-21. doi:10.1097/SPC.0000000000000137. PMID25872113.
Scottish Intercollegiate Guidelines Network (SIGN) (2008). "6.1 and 7.1.1"(PDF). Guideline 106: Control of pain in adults with cancer. Scotland: National Health Service (NHS). ISBN9781905813384. 20 Aralık 2010 tarihinde kaynağından arşivlendi(PDF).
"Acetaminophen". The American Society of Health-System Pharmacists. 5 Haziran 2016 tarihinde kaynağından arşivlendi.
Scottish Intercollegiate Guidelines Network (SIGN) (2008). "6.1 and 7.1.1"(PDF). Guideline 106: Control of pain in adults with cancer. Scotland: National Health Service (NHS). ISBN9781905813384. 20 Aralık 2010 tarihinde kaynağından arşivlendi(PDF).