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
Bell T, Candrilli S, Irish W, Morris E, Cairo MS. Medical resource use and costs associated with renal complications among patients with hematologic malignancies. Blood. 2002 Jan 1;100(11):221A.