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
Earnshaw SR, Kauf TL, McDade C, Potashman MH, Pauyo C, Reese ES, Senagore A. Economic impact of alvimopan considering varying definitions of postoperative ileus. J Am Coll Surg. 2015 Nov;221(5):941-50. doi: 10.1016/j.jamcollsurg.2015.08.004
Inabnet WB3rd, Winegar DA, Sherif BN, Sarr MG. Early outcomes of bariatric surgery in patients with metabolic syndrome: an analysis of the bariatric outcomes longitudinal database. J Am Coll Surg. 2012 Apr;214(4):550-6.
Talmud PJ, Hawe E, Miller GJ. Analysis of gene-environment interaction in coronary artery disease: lipoprotein lipase and smoking as examples. J Cardiovasc Med. 2002;3(1):6-9 Revie.