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Koenig, Victoria; Stanga, Zeno; Zerlauth, Manfred; Bernasconi, Luca; Risch, Martin; Huber, Andreas; Risch, Lorenz (2014). Prevalence of vitamin B12 depletion and deficiency in Liechtenstein. Public health nutrition, 17(2), pp. 241-247. Cambridge: Cambridge University Press 10.1017/S1368980012005289
