. 2012 Apr 10;2012:203204. doi: 10.1155/2012/203204
Copyright © 2012 Adnan A. Hyder et al.
This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 4.
Example from In-Home Tutorial Guide in English.