Artículos Parkinson Symptoms and Health Related Quality of Life as Predictors of Costs: A Longitudinal Observational Study with Linear Mixed Model Analysis Autores: : Martinez-Martín P, Rodriguez-Blazquez C, Paz S , Forjaz MJ, Frades-Payo B, Cubo E, de Pedro-Cuesta J, Lizán L behalf ELEP Group Diario: Plos One Referencia cientifica: PLoS One. 2015 Dec 23;10(12) Url externa