Figure 6. L’Abbé plot showing results for sumatriptan 6 mg versus placebo for pain-free at two hours. Each circle represents a different study; size of circle is proportional to size of study; diagonal is line of equivalence.
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.