Guevara, J Antihypertensive effect of prazosin alone and its combination with polythiazide in patients with essential hypertension. [electronic resource] - Current therapeutic research, clinical and experimental Dec 1976 - 751-6 p. digital Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article ISSN: 0011-393X Subjects--Topical Terms: AdultAntihypertensive Agents--administration & dosageBlood Pressure--drug effectsDrug EvaluationDrug Therapy, CombinationHumansHypertension--drug therapyMiddle AgedPolythiazide--administration & dosagePosturePrazosin--administration & dosageQuinazolines--administration & dosage