Walker, Alison K, and Randall Lyle. “Passive Infrared Hemoencephalography (pIR HEG) for the Treatment of Migraine Without Aura”. NeuroRegulation 3, no. 2 (June 21, 2016): 78. Accessed June 4, 2026. https://www.neuroregulation.org/article/view/16213.