Bourland JA, Collins AA, Chester SA, Ramachandran S, Backer RC. Determination of tapentadol (Nucynta®) and N-desmethyltapentadol in authentic urine specimens by ultra-performance liquid chromatography-tandem mass spectrometry. J Anal Toxicol. 2010;34(8):450-457. doi:10.1093/jat/34.8.450

Leave a Reply