RT Journal Article SR Electronic T1 Dynamic measurement of rigidity, strength, and tremor in Parkinson patients before and after destruction of mesial globus pallidus JF Neurology JO Neurology FD Lippincott Williams & Wilkins SP 157 OP 157 DO 10.1212/WNL.10.2.157 VO 10 IS 2 A1 David D. Webster YR 1960 UL http://n.neurology.org/content/10/2/157.abstract AB