YKL-40: A novel prognostic fluid biomarker for preclinical Alzheimer's disease

Rebecca Craig-Schapiro, Richard J. Perrin, Catherine M. Roe, Chengjie Xiong, Deborah Carter, Nigel J. Cairns, Mark A. Mintun, Elaine R. Peskind, Ge Li, Douglas R. Galasko, Christopher M. Clark, Joseph F. Quinn, Gina D'Angelo, James P. Malone, R. Reid Townsend, John C. Morris, Anne M. Fagan, David M. Holtzman