Clinics in Chest Medicine · 1994 · 76 citations · 64 references
Parkinson DiseasePulmonary PhysiologyLung MechanicsPulmonary MedicineNeurologyRespiration (Physiology)MedicineRespiratory Neurobiology
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Margaret M. Hoehn, Melvin D. Yahr · Neurology · 1967 · 11.9K citations · Full text