Figure 4.
Changes in monthly headache days (MHDs) from baseline along with OBT-A cycles: (a) number of the attacks for month (mean); (b) difference between baseline and each cycle.
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.