Coltart, D J Comparison of effects of propranolol and practolol on exercise tolerance in angina pectoris. [electronic resource] - British heart journal Jan 1971 - 62-4 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0007-0769 Standard No.: 10.1136/hrt.33.1.62 doi Subjects--Topical Terms: Acetanilides--administration & dosageAdministration, OralAdrenergic beta-Antagonists--administration & dosageAdultAngina Pectoris--drug therapyHumans