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https://orcid.org/0000-0001-8810-9673
Mayo Clinic
Thomas Jefferson University
American Journal of Medical Quality | November 4, 2009 | Volume: 24 | Issue: 6_suppl | Pages: 4S-14S
10.1177/1062860609349214
Neurology | March 9, 2009 | Volume: 72 | Issue: 10 | Pages: 893-898
10.1212/01.wnl.0000344164.98457.bf