Nouis , O. .; Sadouki , D. .; Sohbi , K. .; Rehamnia , Y. .; Merad , Y. . Development of a Simultaneous Screening Method for Pregabalin, Tramadol, O-Desmethyl-Tramadol, Trihexyphenidyl, Oxazepam, Midazolam, Clonazepam, Zolpidem, and Buprenorphine in Urine Using GC-MS. J Current Med Res Opinion 2024, 7, 2002-2009.