Radiological, Chemical, and Pharmacological Cholinergic System Parameters and Neurocognitive Disorders in Older Presurgical Adults. - Heinrich M; Müller A; Lammers-Lietz F; Borchers F; Mörgeli R; Kruppa J; Zacharias N; Winterer G; Slooter AJC; Spies CD (The journals of gerontology. Series A, Biological sciences and medical sciences, 2021)