558
Participants
Start Date
July 31, 2011
Primary Completion Date
October 31, 2011
Study Completion Date
December 31, 2011
Audiometry
Standard hearing test performed by audiologists
Thai-Five Minute Hearing Test
All subjects will be interviewed with Thai-Five Minute Hearing Test
Phu Weng, Ban Phu Wang
Khon Kaen University
OTHER