. 2012 Dec 26;3:162. doi: 10.4103/2152-7806.105101
Copyright: © 2012 Pereira JLB
This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Figure 1.
Flowchart of patients presenting sentinel headache