Review
Copyright ©2014 Baishideng Publishing Group Inc.
World J Clin Cases. Dec 16, 2014; 2(12): 742-756
Published online Dec 16, 2014. doi: 10.12998/wjcc.v2.i12.742
Figure 1
Figure 1 Typical structure of pressurized metered-dose inhaler[23]. (Reprinted with permission from Ref.[23]).