Nitrates: the problem of tolerance.
D000787:Angina Pectoris / Q000188:drug therapy*; D004361:Drug Tolerance; D006333:Heart Failure / Q000188:drug therapy*; D006801:Humans; D007548:Isosorbide Dinitrate / Q000627:therapeutic use; D009566:Nitrates / Q000627:therapeutic use*; D005996:Nitroglycerin / Q000627:therapeutic use
D009566:Nitrates; D005996:Nitroglycerin; D007548:Isosorbide Dinitrate