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.
| Search Terms |
| #1 MeSH descriptor Attention Deficit and Disruptive Behavior Disorders explode all trees #2 MeSH descriptor Learning Disorders explode all trees #3 MeSH descriptor Mental Retardation explode all trees #4 MeSH descriptor Child Development Disorders, Pervasive explode all trees #5 (#2 OR #3 OR #4) #6 (#1 AND #5) |
