thirty-three patients with essential hypertension and two with symptomatic arterial hypertension ( stage i-iii ) were treated for about two years with the drug obsilazin containing 50 mg propranolol and 50 mg dihydralazin per tablet ( the maximum average dose of each drug was 174 mg/day ) .
C0020538
arterial hypertension
C0033497
propranolol