title: Letter by de Araújo Gonçalves et al Regarding Article, "Invasive Evaluation of Patients With Angina in the Absence of Obstructive Coronary Artery Disease".
authors.affiliation: Hospital de Santa Cruz, Lisbon, Portugal, Hospital da Luz, Lisbon, Portugal, Nova Medical School, Lisbon, Portugal.
authors.forename: Pedro
authors.initials: P
authors.lastname: de Araújo Gonçalves
authors.affiliation: Hospital Clinico San Carlos, Madrid, Spain, Thoraxcenter, Erasmus Medical Center, Rotterdam, the Netherlands.
authors.forename: Mauro
authors.initials: M
authors.lastname: Echavarria-Pinto
authors.affiliation: Thoraxcenter, Erasmus Medical Center, Rotterdam, the Netherlands.
authors.forename: Hector M
authors.initials: HM
authors.lastname: Garcia-Garcia
mesh_terms: D000787:Angina Pectoris / Q000000981:diagnostic imaging*; D017023:Coronary Angiography / Q000592:standards*; D003324:Coronary Artery Disease; D003326:Coronary Circulation / Q000502:physiology*; D005260:Female; D053805:Fractional Flow Reserve, Myocardial / Q000502:physiology*; D006801:Humans; D008297:Male; D018084:Ultrasonography, Interventional / Q000592:standards*