Reliability and validity study of Sino-nasal outcome test 22 (Thai version) in chronic rhinosinusitis.
Jate LumyongsatienWaralak YangsakulChaweewan BunnagClaire HopkinsPongsakorn TantilipikornPublished in: BMC ear, nose, and throat disorders (2017)
Thai clinical trials registry TCTR20170320003. Date of registration 20/03/2017 (retrospectively registered).