Talon B, Perez A, Yan C, Alobaidi A, Zhang KH, Schultz BG, Suda KJ, Touchette DR. Economic evaluations of clinical pharmacy services in the United States: 2011-2017. J Am Coll Clin Pharm. 2020 Jun;3(4):793-806. doi: 10.1002/jac5.1199
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