Pisegna JR, Karlstadt RG, Norton JA, Fogel R, Oh DS, Jay Graepel G, Dorr MB. Effect of Preoperative Intravenous Pantoprazole in Elective-Surgery Patients: A Pilot Study. Digestive Diseases and Sciences. 2008 Aug 27;54(5):1041. doi: 10.1007/s10620-008-0445-1.