%0 Letter %T Neuropathy due to coexistent vitamin B12 and B6 deficiencies in patients with Parkinson's disease: A case series. %A Canissario R %A Stanton M %A Modica JS %A Logigian EL %A Lizarraga KJ %J J Neurol Sci %V 430 %N 0 %D Nov 2021 15 %M 34662813 %F 4.553 %R 10.1016/j.jns.2021.120028 %X