1. Somatostatin: an evaluation of its utility as adjunctive medication for ERCP;Deschner;Gastrointest Endosc,1989
2. A prospective double-blind trial of somatostatin analog (Octreotide) vs. glucagon, for inhibition of small intestinal motility during endoscopic retrograde cholangiopancreatography (ERCP);Van dam;Gastrointest Endosc,1992
3. Antispasmodic drugs to reduce discomfort and colonic spasm during barium enemas: comparison of oral hyoscyamine, i.v. glucagon, and no drug;Bova;AJR Am J Roentgenol,1993
4. Comparison of L-hyoscyamine, glucagon, and placebo for air contrast upper gastrointestinal series;Moehller;Gastrointest Radiol,1992
5. prospective, double-blinded trial comparing a long acting antispasmodic (L-hyoscyamine) with glucagon for the inhibition of small bowel motility during ERCP;McBride;Gastrointest Endosc,1994