P2‐143: Method Comparison of AB(1‐42) Measured in Human Cerebrospinal Fluid Samples by Liquid Chromatography‐Tandem Mass Spectrometry, the Inno‐Bia ALZBIO3 Assay, and the Elecsys® B‐Amyloid(1‐42) Assay. (1st July 2016) - Shaw, Leslie M.