126
Participants
Start Date
July 31, 2004
Study Completion Date
October 31, 2007
air
0.3 ml of filtered air
expansile gas
0.3 ml of perfluoropropane gas
Eye outpatients department, Srinagarind Hospital, Khon Kaen University, Khon Kaen
Thailand Research Fund
OTHER
Khon Kaen University
OTHER