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Health-promoting components in fermented foods: an up-to-date systematic review

Conclusions The publication of the 2024 NICE guidelines on B 12 deficiency represents progress but falls short by proposing to rename pernicious anaemia with autoimmune gastritis. This change does not adequately address the distinct nature of PA as an advanced stage of AIG, characterised by IF deficiency requiring lifelong B 12 treatment

doi:10.1038/s41392-022-00904-4 Erak M, Bellmann-Sickert K, Els-Heindl S, Beck-Sickinger AG

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