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Vitamin B12 among Vegetarians: Status, Assessment and Supplementation.
Rizzo G, Laganà AS, Rapisarda AM, La Ferrera GM, Buscema M, Rossetti P, Nigro A, Muscia V, Valenti G, Sapia F, Sarpietro G, Zigarelli M, Vitale SG. Rizzo G, et al. Among authors: la ferrera gm. Nutrients. 2016 Nov 29;8(12):767. doi: 10.3390/nu8120767. Nutrients. 2016. PMID: 27916823 Free PMC article. Review.