Niklas Mattsson et al.
Brain : a journal of neurology, 138(Pt 3), 772-783 (2014-12-30)
Reduced cerebrospinal fluid amyloid-β42 and increased retention of florbetapir positron emission tomography are biomarkers reflecting cortical amyloid load in Alzheimer's disease. However, these measurements do not always agree and may represent partly different aspects of the underlying Alzheimer's disease pathology.