Does Glyceryl Nitrate Prevent Post-Endoscopic Retrograde Cholangiopancreaticography (ERCP) Pancreatitis? [clinicaltrials:NCT00121901]

Does Glyceryl Nitrate Prevent Post-Endoscopic Retrograde Cholangiopancreaticography (ERCP) Pancreatitis? [clinicaltrials:NCT00121901]