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Treatment of Parkinsonism with Levodopa: Follow-up After 2 Years of Treatment
JOHN E. LEE, M.D.; RICHARD D. SWEET, M.D.; FLETCHER H. MCDOWELL, M.D.
Annals of Internal Medicine 1971;75:703-708.
doi:10.7326/0003-4819-75-5-703
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