in conscious rats with normal arterial blood pressure or with spontaneous or doc induced hypertension , effects of drugs increasing ( cycloserine , ethanolamine-o-sulphate , piracetam , chlordesmethyldiazepam ) or depressing ( bicuculline , ro 15-1788 , pk 11195 ) gabaergic reactivity were evaluated on the arterial hypotension and sinus bradycardia induced by clonidine .
C0020538
hypertension
C0009014
clonidine