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The false-low b12 phenomenon complicates assessment further Vitamin B12 Deficency Size:1000 mcg/ml - 10 ml (Pack of 4) Subcutaneous vs intramuscular ๐Ÿ’‰what's the difference?๐Ÿค” #vitamintherapy #theb12store #injection IV solutions https://cdn.ncbi.nlm.nih.gov/pmc/blobs/daa2/10494275/d00be6a9c5e0/CCR-19-E090223213539_F3.jpg

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