title: Some observations of the long-term clinical response to selective beta-blockade (metoprolol) in angina pectoris.
mesh_terms: D000328:Adult; D000368:Aged; D000787:Angina Pectoris / Q000188:drug therapy*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008790:Metoprolol / Q000008:administration & dosage / Q000627:therapeutic use*; D008875:Middle Aged; D011412:Propanolamines / Q000627:therapeutic use*; D013997:Time Factors
chemical_list: D011412:Propanolamines; D008790:Metoprolol