Letter: Treatment failure with nitroglycerin.
D000284:Administration, Oral; D000368:Aged; D000787:Angina Pectoris / Q000188:drug therapy*; D006801:Humans; D008297:Male; D008722:Methods; D005996:Nitroglycerin / Q000008:administration & dosage* / Q000627:therapeutic use; D012995:Solubility; D013607:Tablets; D014059:Tongue
D013607:Tablets; D005996:Nitroglycerin