Figure 2.
Attack forms in SUNHA headache: single stabs (A), groups of stabs (B), saw-tooth pattern (C). Abbreviations: SUNHA (Short-lasting Unilateral Neuralgiform Headache Attacks).
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.