Rogal S, Beste LA, Youk A, Fine MF, Ketterer B, Zhang H, Leipertz S, Chartier M, Good CB, Kraemer K, Chinman M, Morgan T, Gellad WF: Characteristics of Opioid Prescriptions to Veterans with Cirrhosis. Clinical Gastroenterol Hepatol 2018; 17(6):1165-1174. https://doi.org/10.1016/j.cgh.2018.10.021