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Vitamin B12 deficiency in type 2 diabetic patients using metformin: a cross-sectional study. - PubMed - NCBI https://t.co/yP7mV898OE
Vitamin B12 deficiency in type 2 diabetic patients using metformin: a cross-sectional study. - PubMed - NCBI https://t.co/yP7mV898OE