Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2015 Aug 11;3:292. Originally published 2014 Dec 1. [Version 2] doi: 10.12688/f1000research.5775.2

PMC4566288.1; 2014 Dec 1
PMC4566288.2; 2015 Aug 11

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

Copyright: © 2015 Xu Q et al.

This is an open access article distributed under the terms of the Creative Commons Attribution Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

PMC Copyright notice

Figure S11. — The percentages were calculated by determining the proportions between the numbers of publications obtained with Criteria A and the numbers of publications obtained with Criteria A but without the exclusion of the reviews.