Journal of Pain and Symptom Management · 2006 · 111 citations · 51 references
MedicineNeurologyPsychometricsFatigueParkinson DiseaseParkinsonian DisordersSymptom BurdenSymptom Burden AssessmentDisease-related FatigueFatigue MeasurementPsychometric ModelingPsychometric QualitySymptom Cluster Of Fatigue
51
Marshal F. Folstein, Susan E. Folstein, Paul R. McHugh · Journal of Psychiatric Research · 1975 · 86.9K citations
Statistical Power Analysis for the Behavioral Sciences
Keith E. Muller · Technometrics · 1989 · 16.5K citations
Margaret M. Hoehn, Melvin D. Yahr · Neurology · 1967 · 12K citations · Full text