West, MS R, Pesce, PhD, DABCC A, West, PhD C, Crews, PhD B, Mikel, PhD C, Rosenthal, DO, FAPA M, Almazan, CLS, MT (ASCP) P, Latyshev, MS S. Observations of medication compliance by measurement of urinary drug concentrations in a pain management population. J of Opioid Management [Internet]. 2018 Jan. 29 [cited 2025 Apr. 9];6(4):253-7. Available from: https://wmpllc.org/ojs/index.php/jom/article/view/894