22
Participants
Start Date
June 8, 2017
Primary Completion Date
April 1, 2019
Study Completion Date
April 1, 2019
Plasma rich platelet injection
Plasma rich platelet injection with 26-gauge needle and 2cc syringe on inferior turbinate mucosa
Saline nasal spray
two puffs of isotonic saline nasal spray twice daily
Seoul St. Mary's Hospital, Seoul
Seoul St. Mary's Hospital
OTHER