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References
1.Parkinson's Disease: Present Status and Research Trends—Public Health Service Publication, U.S.A . No. 1491, 1968 .
2.Greenfield's Neuropathology , 2nd Edition .
Blackwood
W.
McMenemey
W. H.
Meyer
A.
Norman
R. M.
Russell
D. S.
Edward Arnold (Publishers) Ltd. , London — 1963 .
3.Textbook of Neurology ,
Merritt
H. H.
Lea and Febiger , Philadelphia
1963 .
4.
Cotzias
G. C.
Van Woert
M. H.
Shiffer
L.
Aromatic Amino Acids and Modification of Parkinsonism . New England, J. Med . 276 : 374 –379 — 1967 .
5.
Barbeau
A.
L-DOPA Therapy in Parkinson's Disease: A Critical Review of Nine Years Experience . Canadian Medical Association Journal , 101 : 791 –800 , 1969 .
