. 2013 Jul 2;13:70. doi: 10.1186/1472-6947-13-70
Copyright © 2013 Michael and Geleta; licensee BioMed Central Ltd.
This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 1.
Guideline and database views, with questions being answered.