The Penn Parkinson's Daily Activities Questionnaire-15: Psychometric properties of a brief assessment of cognitive instrumental activities of daily living in Parkinson's diseaseLaura Brennan, Daniel Weintraub, Nabila Dahodwala et al.|Parkinsonism & Related Disorders|2016Cited by 75
Development and initial testing of the Penn Parkinson's Daily Activities QuestionnaireLaura Brennan, Daniel Weintraub, Andrew Siderowf et al.|Movement Disorders|2015Cited by 31