Smith, H J Failure of acute digitalization to influence exercise tolerance in angina pectoris. [electronic resource] - British medical journal May 1966 - 1337-8 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0007-1447 Standard No.: 10.1136/bmj.1.5499.1337 doi Subjects--Topical Terms: AdultAgedAngina Pectoris--drug therapyClinical Trials as TopicElectrocardiographyExercise TestFemaleHumansLanatosides--therapeutic useMaleMiddle AgedPhysical ExertionPlacebos