Rodrigues, E Comparison of sustained-release clonidine and long-acting propranolol in the treatment of hypertension. [electronic resource] - Current medical research and opinion 1982 - 274-81 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial ISSN: 0300-7995 Standard No.: 10.1185/03007998209109778 doi Subjects--Topical Terms: AdultAgedClinical Trials as TopicClonidine--administration & dosageDelayed-Action PreparationsDouble-Blind MethodFatigue--chemically inducedFemaleHumansHypertension--drug therapyMaleMetoprolol--therapeutic useMiddle AgedPropranolol--administration & dosageXerostomia--chemically induced