Classification of Parkinsonism
in Handbook of Parkinson's Disease, Marcel Dekker, Inc, New York, Ch 3, p 61., Koller,W.C., 1987
Exacerbation of Parkinsonism by Methyldopa
JAMA 244:2727-2728, Rosenblum,A.M.&Montgomery,E.B., 1980
Drug Therapy of Parkinsonism
NEJM 287:20, Yahr,M.,et al, 1972
Methyldopahydrazine as an Adjunct to L-Dopa Therapy in Parkinsonism
Neurol 22:384, Chase,T.,et al, 1972
Modern Treatment of Parkinson's Disease
Excerpta Medica, 2:1972 Sept., , 1972