Review
Copyright ©The Author(s) 2016.
World J Radiol. May 28, 2016; 8(5): 460-471
Published online May 28, 2016. doi: 10.4329/wjr.v8.i5.460
Figure 10
Figure 10 M-mode, diaphragmatic excursion (see the text) (by image courtesy of Dr. Lucia Morelli).