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

. 2014 Dec 31;9(12):e115988. doi: 10.1371/journal.pone.0115988

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

© 2014 Chen et al

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 author and source are properly credited.

PMC Copyright notice

HWPR: health works per 10,000 population ratio, DPR: doctors per 10,000 population ratio, NPR: nurses per 10,00 population ratio. All CHS centers (n = 190) are represented in each curve.