Vrazda, L Comparison of a combination nortriptyline-amitriptyline and placebo on gastrointestinal diseases in a controlled clinical study. [electronic resource] - Activitas nervosa superior May 1973 - 115-6 p. digital Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article ISSN: 0001-7604 Subjects--Topical Terms: AdolescentAdultAmitriptyline--administration & dosageClinical Trials as TopicDrug Therapy, CombinationDyspepsia--drug therapyHumansMaleMiddle AgedNortriptyline--administration & dosagePeptic Ulcer--drug therapy