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Acta Neurol Scand 136:660667 [DOI] [PubMed] [Google Scholar] Romagnolo A et al (2019) Levodopa-induced neuropathy: a systematic review

According to the National Institutes of Health, B12 deficiency can cause damage to the nervous system before a blood test indicates anything

Traditionally, peptides have been delivered through injections

Eur Rev Med Pharmacol Sci
