E-DRUG: N acetylcysteine and Friedrichs ataxia

E-drug: N acetylcysteine and Friedrichs ataxia
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[this question belongs to INDICES, not E-drug. WB]

Dear all,

I was wondering if by any chance anybody has the dose for n-
acetylcysteine to treat Freidreichs ataxia.

Thanks very much
Marc Blockman