title: Combined clonidine and hydralazine therapy in severe and refractory hypertension.
mesh_terms: D000328:Adult; D001794:Blood Pressure / Q000187:drug effects; D002908:Chronic Disease; D003000:Clonidine / Q000627:therapeutic use*; D004341:Drug Evaluation; D004359:Drug Therapy, Combination; D005260:Female; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D006830:Hydralazine / Q000627:therapeutic use*; D006973:Hypertension / Q000188:drug therapy*; D008297:Male; D008875:Middle Aged
chemical_list: D006830:Hydralazine; D003000:Clonidine