beta-amyloid proteins Universidade de Stanford beta amyloid Vanderbilt University Jan. 8, 2015 amyloid beta beta amyloid Stanford Medicine Sept. 19, 2013 Stanford Medicine Sept. 19, 2013 clumps in the brains of sufferers of Alzheimer’s disease hallmarks of Alzheimer's Universidade de Stanford Vanderbilt University Jan. 8, 2015 Scientists reveal how beta-amyloid may cause Alzheimer's beta-amyloid plaques Vanderbilt University Jan. 8, 2015 found in clumps in the brains hallmarks of Alzheimer’s Researchers at the Stanford University School of Medicine Med.Stanford.edu beta amyloids Stanford Medicine Sept. 19, 2013 beta Vanderbilt University Jan. 8, 2015 beta-amyloid found in clumps in the brains beta amyloid Stanford Medicine Sept. 19, 2013 found in clumps in the brains Vanderbilt University Jan. 8, 2015 suspect Med.Stanford.edu Previous research Stanford Medicine Sept. 19, 2013 found in clumps in the brains Vanderbilt University Jan. 8, 2015 β-amyloid plaques Stanford Medicine Sept. 19, 2013 hallmarks of Alzheimer's