2.7. Analysis.
Comparison 2: Independent assessor‐rated ADHD symptoms, Outcome 7: Subgroup analysis: parallel‐group trials compared with first‐period cross‐over trials
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.