Figure 1. Distribution of databases according to non-controlled descriptors used to search for studies to be included in the integrative review. Ribeirão Preto, SP, Brazil, 2013.
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.