Proceedings: Is long-term prophylaxis for recurrent gastric ulceration a practical proposition?
D002986:Clinical Trials as Topic; D006035:Glycyrrhiza; D006801:Humans; D010919:Placebos; D010946:Plants, Medicinal; D012008:Recurrence; D013276:Stomach Ulcer / Q000453:epidemiology / Q000517:prevention & control*
D010919:Placebos