title: Antihypertensive medication regimens and their revision. A General Practitioner Clinical Research Group study.
mesh_terms: D000368:Aged; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004334:Drug Administration Schedule; D005260:Female; D006801:Humans; D006973:Hypertension / Q000188:drug therapy*; D008297:Male; D008790:Metoprolol / Q000008:administration & dosage* / Q000627:therapeutic use; D008875:Middle Aged; D011412:Propanolamines / Q000008:administration & dosage*
chemical_list: D011412:Propanolamines; D008790:Metoprolol