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https://orcid.org/0000-0002-4642-7769
Mayo Clinic
Northwestern University
Annals of Internal Medicine | April 12, 2013 | Volume: 137 | Issue: 12 | Pages: 947-954
10.7326/0003-4819-137-12-200212170-00007
Neurology | June 5, 2008 | Volume: 71 | Issue: 9 | Pages: 639-643
10.1212/01.wnl.0000312375.79881.94
Neurology | July 12, 2006 | Volume: 65 | Issue: 1 | Pages: 102-106
10.1212/01.wnl.0000167607.63000.38