Evidence for More than One Parkinson's Disease-Associated Variant within the HLA Region Hill-Burns, Erin M. ; Factor, Stewart A. ; Zabetian, Cyrus P. ; Thomson, Glenys ; Payami, Haydeh Abstract Publication: PLoS ONE Pub Date: November 2011 DOI: 10.1371/journal.pone.0027109 Bibcode: 2011PLoSO...627109H