Rougemont-Bücking, Ansgar, Franziska Gamma, and Jaak Panksepp. “Use of Tramadol in Psychiatric Care: A Comprehensive Review and Report of Two Cases”. Swiss Medical Weekly 147, no. 1920 (May 8, 2017): w14428. Accessed March 29, 2024. https://smw.ch/index.php/smw/article/view/2296.