Blumenthal D T, Shacham-Shmueli E, Bokstein F, Schmid D S, Cohrs R J, Nagel M A, Mahalingam R, Gilden D
Department of Neurology, University of Colorado School of Medicine, 12700 E. 19th Avenue, Mail Stop B182, Aurora, CO 80045, USA.
Neurology. 2011 Feb 1;76(5):484-5. doi: 10.1212/WNL.0b013e31820a0d28.