70
Participants
Start Date
July 31, 2014
Primary Completion Date
December 31, 2017
Study Completion Date
December 31, 2017
multi-pH-impedance manometry catheter
a special catheter will be placed in the esophagus of all study groups. Measurment of pH, impedance and pressure will be performed.
Catholic University Leuven, Leuven
KU Leuven
OTHER