248
Participants
Start Date
March 1, 2020
Primary Completion Date
February 15, 2022
Study Completion Date
February 16, 2022
Reflux Symptom Index Inventory (diagnostic survey)
Kazakh versions of the Reflux Symptom Index Inventory will be filled patients
Reflux finding score
laryngoscopy with a score RFS
SOS Medical Assistance, Almaty
V-ent, Almaty
Asfendiyarov Kazakh National Medical University
OTHER
Kazakh Medical University of Continuing Education
OTHER