1. Levels of intragastric and intraduodenal acidity;Atkinson;Clin. Sc.,1955
2. Grossman, M. I. Unpublished data.
3. Clinical evaluation of the caffeine gastric analysis in duodenal ulcer patients;Roth;Gastroenterology,1951
4. A single aspiration caffeine gastric analysis in duodenal ulcer and control patients;Littman;Gastroenterology,1955
5. Human Gastric Secretion;Ihre,1939