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Nordberg A, Amberla K, Shigeta M, Lundqvist H, Viitanen M, Hellström-Lindahl E, Johansson M, Andersson J, Hartvig P, Lilja A, Långström B, Winblad B.Nordberg A, et al. Among authors: hartvig p.Alzheimer Dis Assoc Disord. 1998 Sep;12(3):228-37. doi: 10.1097/00002093-199809000-00017.Alzheimer Dis Assoc Disord. 1998.PMID: 9772028
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