Mayo Clinic
From the Divisions of Epidemiology (R.O.R., Y.E.G., W.A.R., R.C.P.) and Biomedical Statistics and Informatics (R.H.C., V.S.P.), Department of Health Sciences Research, Department of Psychiatry and Psychology (Y.E.G., R.J.I.), Department of Neurology (D.S.K
Neurology | January 26, 2012 | Volume: 78 | Issue: 5 | Pages: 342-351
Neurology | September 6, 2010 | Volume: 75 | Issue: 10 | Pages: 889-897