title: Letter by Tsigkas et al regarding article, "coronary artery spasm: a 2009 update".
authors.forename: G
authors.initials: G
authors.lastname: Tsigkas
authors.forename: V
authors.initials: V
authors.lastname: Karantalis
authors.forename: D
authors.initials: D
authors.lastname: Alexopoulos
mesh_terms: D003329:Coronary Vasospasm / Q000139:chemically induced / Q000276:immunology / Q000503:physiopathology; D004342:Drug Hypersensitivity / Q000150:complications* / Q000276:immunology*; D006801:Humans