Characterization of Gastrointestinal Symptom Type and Severity in Parkinson's Disease: A Case–Control Study in an Australian Cohort. - Kenna, Jade E.; Bakeberg, Megan C.; Gorecki, Anastazja M.; Chin Yen Tay, Alfred; Winter, Samantha; Mastaglia, Frank L.; Anderton, Ryan S. (Movement Disorders Clinical Practice, 2021)