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. Author manuscript; available in PMC: 2015 Dec 4.
Published in final edited form as: Neurobiol Aging. 2012 Apr 13;33(8):1850.e17–1850.e27. doi: 10.1016/j.neurobiolaging.2012.02.020

Fig. 1.

Fig. 1

Families with PSEN gene variants. Diamond symbols indicate parkinsonism. Abbreviations: AE, age at examination (years); AO, age at onset (years); AD, age at death (years); CVA, cerebrovascular accident; PDD, Parkinson's disease with dementia.