Blumenfeld Andrew M, Silberstein Stephen D
The Headache Center of Southern California, The Neurology Center, Carlsbad, CA, USA.
Department of Neurology, Thomas Jefferson University, Philadelphia, PA, USA.
Headache. 2020 Nov;60(10):2597-2599. doi: 10.1111/head.13996. Epub 2020 Oct 27.