title: Response to letter to the editor by Stephen W. Smith, MD.
authors.affiliation: Interventional Cardiology Unit, Department of Cardiology, Ramón y Cajal Hospital, University of Alcalá, Madrid, Spain. Electronic address: docalcala@hotmail.com.
authors.forename: David
authors.initials: D
authors.lastname: Martí
authors.affiliation: Interventional Cardiology Unit, Department of Cardiology, Ramón y Cajal Hospital, University of Alcalá, Madrid, Spain.
authors.forename: José Luis
authors.initials: JL
authors.lastname: Mestre
authors.affiliation: Interventional Cardiology Unit, Department of Cardiology, Ramón y Cajal Hospital, University of Alcalá, Madrid, Spain.
authors.forename: Luisa
authors.initials: L
authors.lastname: Salido
authors.affiliation: Interventional Cardiology Unit, Department of Cardiology, Ramón y Cajal Hospital, University of Alcalá, Madrid, Spain.
authors.forename: José Luis
authors.initials: JL
authors.lastname: Zamorano
mesh_terms: D017023:Coronary Angiography / Q000379:methods*; D003327:Coronary Disease; D003331:Coronary Vessels; D005260:Female; D006801:Humans; D008297:Male; D009203:Myocardial Infarction; D062645:Percutaneous Coronary Intervention