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. 2022 Nov 29:02601060221139628. doi: 10.1177/02601060221139628

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© The Author(s) 2022

This article is made available via the PMC Open Access Subset for unrestricted re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections.

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Figure 5. — Various pathways and mechanism through which vitamin C acts in various diseases. 5HT: 5-hydroxytryptamine; cGMP: cyclic guanosine monophosphate; DOPA: dihydroxyphenylalanine; GABA: gamma amino butyric acid; LDL: low-density lipoprotein.