title: Letter by Alvarez regarding article, "Coronary artery spasm: a 2009 update".
authors.forename: Marcos J
authors.initials: MJ
authors.lastname: Alvarez
mesh_terms: D000328:Adult; D003329:Coronary Vasospasm / Q000175:diagnosis* / Q000188:drug therapy / Q000209:etiology*; D006335:Heart Injuries / Q000175:diagnosis / Q000188:drug therapy / Q000209:etiology; D006801:Humans; D008297:Male; D005996:Nitroglycerin / Q000627:therapeutic use; D012907:Smoking / Q000009:adverse effects; D014665:Vasodilator Agents / Q000627:therapeutic use
chemical_list: D014665:Vasodilator Agents; D005996:Nitroglycerin