Aug. 07, 2021
Nearly 3,000 illustrations, including video clips of neurologic disorders.
Every article is reviewed by our esteemed Editorial Board for accuracy and currency.
Full spectrum of neurology in 1,200 comprehensive articles.
A male American dog tick, Dermacentor variabilis, on a human finger (dorsal view). Photograph by Jerry Kirkhart, Los Osos, California (2009). (Courtesy of Wikimedia Commons. Creative Commons Attribution 2.0 Generic License.)