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Petrelli, R

Weetman, A

doi: 10.1111/j.1399-3054.2008.01189.x 74 SunF.FangP.LiJ.DuL.LanY.ZhouT.et al

We need to keep an eye on it: Lack of B12 is one of the most common vitamin deficiencies, and its not something to mess around with
