<unk>  or<unk> -Najman-Grasbeck syndrome or<unk><unk>  disease (IGS or INGS) is an autosomal recessive, familial form of vitamin B12 deficiency caused by malfunction of the receptor located in the terminal ileum.
Imerslund-Grasbeck syndrome
Cruveilhier-Baumgarten syndrome
Sakati-Nyhan-Tisdale syndrome
Parry-Romberg syndrome
Hashimoto-Pritzker syndrome
Sohval-Soffer syndrome
Feigenbaum-Bergeron-Richardson syndrome
Galloway Mowat syndrome