Authors: Hyejin Hwang; Jianpeng Zhang; Kathryn A Chung; James B Leverenz; Cyrus P Zabetian; Elaine R Peskind; Joseph Jankovic; Zhen Su; Aneeka M Hancock; Catherine Pan; Thomas J Montine; Sheng Pan; John Nutt; Roger Albin; Marla Gearing; Richard P Beyer; Min Shi; Jing Zhang Journal: Mass Spectrom Rev Date: 2010 Jan-Feb Impact factor: 10.946