Sign Up for a Free Account

This is an image preview.
Start a Free Account
to view the full image.

  • 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.

  • Listen to MedLink on the go with Audio versions of each article.

British neurologist Mary Broadfoot Walker (1888-1974)

Dr. Mary Broadfoot Walker first demonstrated the effectiveness of physostigmine in the treatment of myasthenia gravis. (Source: Wellcome Institution, London, UK. Creative Commons Attribution 4.0 International [CC BY 4.0] license,