
Keywords: هولوتانسکوبالامین; Abs; antibodies; AIA; automated immunoassay analyzer; Cbl; cobalamin; Cbl-D; Cbl-deficient; CNS; central nervous system; CSF; cerebrospinal fluid; EGF; epidermal growth factor; ELISA; enzyme-linked immunosorbent assay; holo-TC; holotranscobalamin; LFB; Lu