1. Gastric cyclic AMP activity in Zollinger-Ellison disease and pernicious anemia (abstr);Levine;Gastroenterology,1974
2. Source of gastric juice cyclic AMP (cAMP) in pernicious anemia (abstr);Levine;J Clin Invest,1974
3. Cyclic GMP and cyclic AMP in stimulated human and canine gastric mucosa and juice: evidence against their regulatory role in gastric acid secretion (abstr);Talev;Gastroenterology,1976
4. The role of cyclic AMP on hepatic and gastrointestinal function;Levine;Gastroenterology,1970
5. Cyclic AMP in digestive physiology;Levine;Am J Clin Nutr,1973