Modified Pfeffer Questionnaire for Functional Assessment in Parkinson Disease

• Kelson James Almeida, Lívio Pereira de Macêdo, Janine Lemos de Melo Lobo Jofili Lopes, Edson Bor-Seng-Shu, Raimundo Nonato Campos-Sousa, Egberto Reis Barbosa

• Journal of Geriatric Psychiatry and Neurology, July 2017, SAGE Publications
• DOI: 10.1177/0891988717720298