Hirschl, M M Safety and efficacy of urapidil and sodium nitroprusside in the treatment of hypertensive emergencies. [electronic resource] - Intensive care medicine Aug 1997 - 885-8 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial ISSN: 0342-4642 Standard No.: 10.1007/s001340050426 doi Subjects--Topical Terms: AdultAnalysis of VarianceAntihypertensive Agents--pharmacologyBlood Pressure--drug effectsEmergenciesFemaleHumansHypertension--drug therapyMaleMiddle AgedNitroprusside--pharmacologyPiperazines--pharmacologyProspective StudiesTime Factors