title: Letter by Sen et al regarding article, "Diagnostic accuracy of combined intracoronary pressure and flow velocity information during baseline conditions: adenosine-free assessment of functional coronary lesion severity".
authors.forename: Sayan
authors.initials: S
authors.lastname: Sen
authors.forename: Justin E R
authors.initials: JE
authors.lastname: Davies
authors.forename: Javier
authors.initials: J
authors.lastname: Escaned
mesh_terms: D001783:Blood Flow Velocity / Q000502:physiology*; D003326:Coronary Circulation / Q000502:physiology*; D003327:Coronary Disease / Q000000981:diagnostic imaging* / Q000503:physiopathology*; D005260:Female; D006801:Humans; D008297:Male; D055414:Myocardial Perfusion Imaging / Q000592:standards*; D012720:Severity of Illness Index