title: Note on the non-identity of lactoflavin and the "extrinsic factor" in pernicious anaemia.
authors.affiliation: The Department of Clinical Investigations and Research, Royal Infirmary, Manchester.
authors.forename: C A
authors.initials: CA
authors.lastname: Ashford
authors.forename: L
authors.initials: L
authors.lastname: Klein
authors.forename: J F
authors.initials: JF
authors.lastname: Wilkinson