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. 2016 May 20;5(1):668. doi: 10.1186/s40064-016-2252-z

Fig. 3.

Fig. 3

Vitamin B12 gastrointestinal absorption. Derived from Seetharam and Yammani (2003, Figure 1), Andrès et al. (2004, Figure 1) and Loikas (2007, Figure 2.4)