Changes

1. Campbell WW. Clinical signs in neurology : a compendium. Philadelphia: Wolters Kluwer Health, 2016.

2. Campbell WW. DeJong's the neurologic examination, 7th ed. Philadelphia: Wolters Kluwer

Health/Lippincott Williams & Wilkins, 2013.

3. Cogan DG. Myasthenia gravis: a review of the disease and a description of lid

twitch as a characteristic sign. Arch Ophthalmol. 1965 Aug;74:217-21.

4. Singman EL, Matta NS, Silbert DI. Use of the Cogan lid twitch to identify

myasthenia gravis. J Neuroophthalmol. 2011 Sep;31(3):239-40.

[[Category:Cranial Nerve Signs]]