Russek, H I Nifedipine versus isosorbide dinitrate in patients with exertional angina receiving propranolol. [electronic resource] - Journal of the American College of Cardiology Sep 1986 - 739-40 p. digital Publication Type: Letter ISSN: 0735-1097 Standard No.: 10.1016/s0735-1097(86)80209-1 doi Subjects--Topical Terms: Angina Pectoris--drug therapyDrug Therapy, CombinationHumansIsosorbide Dinitrate--administration & dosageNifedipine--administration & dosagePropranolol--administration & dosage