@article{Polo:56678,
      author        = "Polo, V. and Satue, M. and Rodrigo, MJ. and Otin, S. and
                       Alarcia, R. and Bambo, MP. and Fuertes, MI. and Larrosa,
                       JM. and Pablo, LE. and Garcia-Martin, E.",
      title         = "{Visual dysfunction and its correlation with retinal
                       changes in patients with Parkinson’ s disease: an
                       observational cross-sectional study}",
      year          = "2016",
}