1. Sir William Osler Aphorisms from His Bedside Teachings and Writings, chap V;Bean,1951
2. The evaluation of antispasmodics;Ingelfinger;Bull N Engl Med Center,1951
3. Anticholinergics: Do they work in peptic ulcer disease?;Ivey;Gastroenterology,1974
4. Pharmacology of the Gastrointestinal Tract, chap 108;Daniel,1968
5. The effects of certain so-called antispasmodics on intestinal motility;Posey;Gastroenterology,1948