Figure 1.
Location and population characteristics of the sampling sites. Source: National Population Council. 2010. Available at: http://www.conapo.gob.mx/es/CONAPO/Municipales.
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.