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To the Editor:—
The suggestion made by Dr. Stock is based on solid scientific fact. I am not aware, however, of a malabsorption syndrome (like combined sclerosis) operating in patients with Parkinson's syndrome. This point would be a good subject matter for investigation. The actual therapeutic trial of 2-amino-4-hydroxy -6- 7 - dimethyltetrahydropteridine in selected individuals with Parkinson's syndrome might also be warrented.
Cotzias GC. 2-Amino-4-hydroxy-6-7-Dimethyltetrahydropteridine In Parkinson's Disease. JAMA. 1969;210(8):1594. doi:10.1001/jama.1969.03160340202041