title: Treatment of hypertension. Comparative trial of metoprolol Durules (once daily) and metoprolol tablets (twice daily).
mesh_terms: D000328:Adult; D000368:Aged; D001794:Blood Pressure / Q000187:drug effects; D001986:Bronchial Spasm / Q000139:chemically induced; D002986:Clinical Trials as Topic; D003692:Delayed-Action Preparations; D003863:Depression / Q000139:chemically induced; D005260:Female; D006339:Heart Rate / Q000187:drug effects; D006801:Humans; D006973:Hypertension / Q000188:drug therapy* / Q000503:physiopathology; D008297:Male; D008790:Metoprolol / Q000008:administration & dosage* / Q000009:adverse effects; D008875:Middle Aged; D011412:Propanolamines / Q000008:administration & dosage*; D013345:Subarachnoid Hemorrhage / Q000139:chemically induced; D013607:Tablets
chemical_list: D003692:Delayed-Action Preparations; D011412:Propanolamines; D013607:Tablets; D008790:Metoprolol