Retrospective Study
Copyright ©The Author(s) 2016.
World J Gastroenterol. Dec 21, 2016; 22(47): 10398-10405
Published online Dec 21, 2016. doi: 10.3748/wjg.v22.i47.10398
Figure 1
Figure 1 AIRVO™ 2 (Fisher and Paykel Healthcare Limited, Panmure, New Zealand).