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  • Nearly 3,000 illustrations, including video clips of neurologic disorders.

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  • Full spectrum of neurology in 1,200 comprehensive articles.

Rocky Mountain wood tick, male

A male Rocky Mountain wood tick, Dermacentor andersoni, questing on a blade of grass (dorsal view). Photograph by James Gathany (2008). (Courtesy of the Public Health Image Library, Centers for Disease Control and Prevention. Public domain.)

Associated Disorders

  • Acute ascending paralysis