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Remacha, A.F., Del Río, E., Sardà, M.P. et al. Role of (Glu → Arg, Q5R) mutation of the intrinsic factor in pernicious anemia and other causes of low vitamin B12. Ann Hematol 87, 599–600 (2008). https://doi.org/10.1007/s00277-008-0465-0
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DOI: https://doi.org/10.1007/s00277-008-0465-0