Rigidity decreases resting tremor intensity in Parkinson's disease: A [(123)I]beta-CIT SPECT study in early, nonmedicated patients.
Winogrodzka A, Wagenaar RC, Bergmans P, Vellinga A, Booij J, van Royen EA, van Emmerik RE, Stoof JC, Wolters EC. Rigidity decreases resting tremor intensity in Parkinson's disease: A [(123)I]beta-CIT SPECT study in early, nonmedicated patients. Mov Disord. 2001 Nov; 16(6):1033-40.