1. Aquatic Therapy Intervention, Including the 4-Walls Drill, for Persons With Hoehn and Yahr Stage IV Parkinson's Disease: A Retrospective Data Analysis. Issue 1 (24th January 2022) Authors: Thorson, Carolyn L.; Hogan, Baylor Elizabeth; Brown, Patricia Saccomanno Journal: Journal of aquatic physical therapy Issue: Volume 30:Issue 1(2022) Page Start: 2 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗