. 2011 Oct 1;7(4):e30. doi: 10.2349/biij.7.4.e30
© 2011 Biomedical Imaging and Intervention Journal
This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 14.
A.O.S.R. December 1988 Bulletin