title: Letter: Angina pectoris with normal coronary arteries.
mesh_terms: D000787:Angina Pectoris / Q000097:blood* / Q000188:drug therapy / Q000209:etiology; D001158:Arteries; D001815:Bloodletting; D002699:Chlorambucil / Q000008:administration & dosage / Q000627:therapeutic use; D003331:Coronary Vessels; D006400:Hematocrit; D006801:Humans; D008297:Male; D008875:Middle Aged; D005996:Nitroglycerin / Q000008:administration & dosage / Q000627:therapeutic use
chemical_list: D002699:Chlorambucil; D005996:Nitroglycerin