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.
Poole WK, Pollack M, Rapoport I, Williams V, Koch MA, Rao AV, Bartel DA. Use of Multivariate Methods in Quantifying the Variability in the Perception of Neonatal Intensive Care Unit Characteristics in Nine Hospitals in the Washington, DC Area: the NIH-DC Initiative to Reduce Infant Mortality in Minority Populations in the District of Columbia. Interstat. 2002 Jan 1.