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They do not replace proper diagnosis of potentially serious conditions
Weve talked about how important Vitamin B12 is for adults, the standard doses, and how to get them
PMID 36249776
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References: He L, Feng D, Guo H, Zhou Y, Li Z, Zhang K, Zhang W, Wang S, Wang Z, Hao Q, Zhang C, Gao Y, Gu J, Zhang Y, Li W, Li M