title: Oesophageal shortening: in vivo validation of high-frequency ultrasound measurements of oesophageal muscle wall thickness.
authors.affiliation: Center for Gastroenterological, Research, KU Leuven, Leuven, Belgium, UK. d.sifrim@qmul.ac.uk
authors.forename: Werend
authors.initials: W
authors.lastname: Boesmans
authors.forename: Pieter
authors.initials: P
authors.lastname: Vanden Berghe
authors.forename: Ricard
authors.initials: R
authors.lastname: Farre
authors.forename: Daniel
authors.initials: D
authors.lastname: Sifrim