Name Info Provider Link
free resource Ediciones Doyma, S.L. http://www.elsevier.es/en/linksolver/ft/pii/S0213-4853(10)70041-4
free resource Elsevier Science https://linkinghub.elsevier.com/retrieve/pii/S0213-4853(10)70041-4
Movement Disorders free resource MedlinePlus Health Information https://medlineplus.gov/movementdisorders.html