title: Development and validation of an ultrasonographic activity index of Crohn's disease.
authors.forename: Z
authors.initials: Z
authors.lastname: Jakab
authors.forename: E
authors.initials: E
authors.lastname: Cserepes
authors.forename: Z
authors.initials: Z
authors.lastname: Tulassay
mesh_terms: D003424:Crohn Disease / Q000000981:diagnostic imaging* / Q000503:physiopathology; D005260:Female; D006801:Humans; D008297:Male; D012680:Sensitivity and Specificity; D012720:Severity of Illness Index; D018615:Ultrasonography, Doppler, Color / Q000379:methods*