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Association between metformin and vitamin B 12 deficiency in patients with type 2 diabetes: A systematic review and meta- analysis

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This tripeptide is composed of glycine, lysine and histidine amino acids chelated with copper ions to form a stable research compound

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After written consent was obtained, the desensitisation procedure began with 15-min intervals, and the desensitisation process started with increasing doses, one, two and four-week intervals, were similar to literature