199
Participants
Start Date
March 20, 2018
Primary Completion Date
August 19, 2019
Study Completion Date
August 19, 2019
Gastroesophageal reflux symptoms questionnaire
Reflux Symptom Questionnaire, 7-day recall (RESQ-7).
Guy's and St Thomas' NHS Foundation Trust, London
Guy's and St Thomas' NHS Foundation Trust
OTHER