Singal AG, Nagar SP, Hitchens A, Davis KL, Iyer S. Real-world effectiveness of Lenvatinib monotherapy in previously treated unresectable hepatocellular carcinoma in US clinical practice. Cancer Rep (Hoboken). 2023 Jan;6(1):e1679. doi: 10.1002/cnr2.1679
Raghunathan K, Layton JB, Ohnuma T, Shaw AD. Observational research using propensity scores. Adv Chronic Kidney Dis. 2016 Nov;23(6):367-72. doi: 10.1053/j.ackd.2016.11.010