Rodríguez Alvarez, J [Our experience with a new beta-adrenergic blocking agent (Practolol) in angina pectoris]. [electronic resource] - Revista espanola de cardiologia - 383-8 p. digital Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article ISSN: 0300-8932 Subjects--Topical Terms: AdultAgedAngina Pectoris--drug therapyClinical Trials as TopicEvaluation Studies as TopicFemaleHeart Rate--drug effectsHumansMaleMiddle AgedPlacebosPractolol--therapeutic use