Continuous scale physical functional performance test: appropriateness for middle-aged adults with and without Parkinson's disease.
Hearty TM, Schenkman ML, Kohrt WM, Cress ME. Continuous scale physical functional performance test: appropriateness for middle-aged adults with and without Parkinson's disease. J Neurol Phys Ther. 2007 Jun; 31(2):64-70.