2.3. Analysis.
Comparison 2: OnabotulinumtoxinA 20 units versus placebo one cycle of treatment in glabellar lines, Outcome 3: Physician assessment of success by analysing scores and scales
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.