Prevalence Estimates of Amyloid Abnormality Across the Alzheimer Disease Clinical Spectrum. - Jansen WJ; Janssen O; Tijms BM; Vos SJB; Ossenkoppele R; Visser PJ; Aarsland D; Alcolea D; Altomare D; von Arnim C; Baiardi S; Baldeiras I; et al. (JAMA neurology, 2022)