title: An old problem not yet resolved: the association of several neurodegenerative disorders.
authors.affiliation: Neurology Department, University Hospital 12 de Octubre, Complutense University, and Ciberned in Neurodegenerative Disorders, National Institute of Research Carlos III, Madrid, Spain. fbermejop2004@yahoo.es
authors.forename: Félix
authors.initials: F
authors.lastname: Bermejo-Pareja
mesh_terms: D000544:Alzheimer Disease / Q000453:epidemiology*; D003704:Dementia / Q000453:epidemiology*; D020329:Essential Tremor / Q000453:epidemiology*; D006801:Humans; D010300:Parkinson Disease / Q000453:epidemiology*