Headache & Pain
Vagal nerve stimulation for headaches
Apr. 14, 2022
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Photomicrograph of brain tissue from a patient with West Nile encephalitis, showing antigen-positive neurons and neuronal processes (in red). (Photomicrograph from Shieh J and Zaki S 1999. Courtesy of Centers for Disease Control and Prevention Public Health Image Library, image 1845)