title: "Evaluation of esophageal motility using multichannel intraluminal impedance in healthy children and children with gastroesophageal reflux": comments.
authors: Clara
authors: C
authors: Loots
authors: Michiel
authors: M
authors: van Wijk
authors: Rachel
authors: R
authors: van der Pol
authors: Marije
authors: M
authors: Smits
authors: Marc
authors: M
authors: Benninga
authors: Taher
authors: T
authors: Omari