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Bruno Dubois; Howard H Feldman; Claudia Jacova; Steven T DeKosky; Pascale Barberger-Gateau; Jeffrey Cummings; André Delacourte; Douglas Galasko; Serge Gauthier; Gregory Jicha; Kenichi Meguro; John O'Brien; Florence Pasquier; Philippe Robert; Martin Rossor; Steven Salloway; Yaakov Stern; Pieter J Visser; Philip Scheltens. (2007). Research criteria for the diagnosis of Alzheimer's disease: revising the NINCDS–ADRDA criteria. , 6(8), 734–746. doi:10.1016/s1474-4422(07)70178-3 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research