title: Are two tests always better than one?
authors.forename: Theodoros D
authors.initials: TD
authors.lastname: Karamitsos
authors.forename: Joseph B
authors.initials: JB
authors.lastname: Selvanayagam
mesh_terms: D000628:Aminophylline / Q000494:pharmacology; D002316:Cardiotonic Agents / Q000494:pharmacology; D003287:Contrast Media; D017023:Coronary Angiography; D003324:Coronary Artery Disease / Q000175:diagnosis*; D023921:Coronary Stenosis / Q000175:diagnosis*; D004176:Dipyridamole / Q000494:pharmacology; D005260:Female; D019786:Gadolinium DTPA; D006801:Humans; D008279:Magnetic Resonance Imaging / Q000379:methods*; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000473:pathology; D017202:Myocardial Ischemia / Q000473:pathology; D012680:Sensitivity and Specificity; D014664:Vasodilation / Q000187:drug effects; D014665:Vasodilator Agents / Q000494:pharmacology
chemical_list: D002316:Cardiotonic Agents; D003287:Contrast Media; D014665:Vasodilator Agents; D000628:Aminophylline; D004176:Dipyridamole; D019786:Gadolinium DTPA