E. Andres: Vitamin B12 (cobalamin) deficiency in elderly patients. In: Canadian Medical Association Journal. Band171, Nr.3, 3. August 2004, ISSN0820-3946, S.251–259, doi:10.1503/cmaj.1031155.
Errata for Rubin LG et al (Clin Infect Dis 2014; 58:309-318). In: Clinical Infectious Diseases. Band59, Nr.1, 12. Juni 2014, ISSN1058-4838, S.144–144, doi:10.1093/cid/ciu256.
Matthew J. Oberley, David T. Yang – Laboratory testing for cobalamin deficiency in megaloblastic anemia, vom 20. Februar 2013 im American Journal of Hematology, DOI:10.1002/ajh.23421.
Patent DE60202361T2: Verfahren zur Bestimmung von Transcobalamine II. Angemeldet am 23. April 2002, veröffentlicht am 22. Dezember 2005, Anmelder: Axis Shield Asa, Erfinder: Lars Örning.
E. Andres: Vitamin B12 (cobalamin) deficiency in elderly patients. In: Canadian Medical Association Journal. Band171, Nr.3, 3. August 2004, ISSN0820-3946, S.251–259, doi:10.1503/cmaj.1031155.
Errata for Rubin LG et al (Clin Infect Dis 2014; 58:309-318). In: Clinical Infectious Diseases. Band59, Nr.1, 12. Juni 2014, ISSN1058-4838, S.144–144, doi:10.1093/cid/ciu256.