Advantages and disadvantages of the use of the CSF Amyloid β (Aβ) 42/40 ratio in the diagnosis of Alzheimer’s Disease - Hansson, Oskar; Lehmann, Sylvain; Otto, Markus; Zetterberg, Henrik; Lewczuk, Piotr (Friedrich-Alexander-Universität Erlangen-Nürnberg, 2019)