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This includes if symptoms get better and B12 levels in the blood rise
Mayo Clinic
For each eligible study, two authors (MM and AN) independently extracted data, which was then reviewed by a third author (JV) using a piloted spreadsheet, in accordance with Cochrane Collaboration guidelines ( Where relevant data were missing, attempts were made to contact corresponding authors
What is the difference between cyanocobalamin and other forms of Vitamin B12
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