title: Refractory hypertension. Treatment with clonidine hydrochloride.
mesh_terms: D000328:Adult; D001794:Blood Pressure / Q000187:drug effects; D001835:Body Weight / Q000187:drug effects; D003000:Clonidine / Q000627:therapeutic use*; D005260:Female; D006801:Humans; D006973:Hypertension / Q000188:drug therapy*; D008297:Male; D008875:Middle Aged; D012083:Renin / Q000097:blood
chemical_list: D012083:Renin; D003000:Clonidine