Vopat, Matthew, William Messamore, Jesse Trent, Ken Schmanke, Rosey Zackula, Shang-You Yang, and Tarun Bhargava. “Urine Screening for Opiod and Illicit Drugs in the Total Joint Arthroplasty Population”. Kansas Journal of Medicine 13, no. 1 (April 17, 2020): 71–76. Accessed April 11, 2025. https://journals.ku.edu/kjm/article/view/13623.