Randomized Controlled Trial
Copyright ©The Author(s) 2015.
World J Gastroenterol. Apr 21, 2015; 21(15): 4707-4714
Published online Apr 21, 2015. doi: 10.3748/wjg.v21.i15.4707
Figure 1
Figure 1 Head-mounted display (MOVERIO EPSON®; SEIKO EPSON CORPORATION, Nagano Japan) projects an image visible only from the inside without blocking the patient’s vision.