_:vb50937647 . _:vb50937647 "url:http://omim.org/entry/275350"^^ . _:vb50937647 . _:vb50937647 "A vitamin B12 deficiency that is characterized by a lack of vitamin B12 intestinal absorption resulting from a deficiency in the B12 transport protein TCII."^^ . _:vb50937647 . _:vb50937647 "url:https://www.orpha.net/data/patho/GB/uk-TCII.pdf"^^ . _:vb50937647 . _:vb50937647 .