title: On the occurrence and constitution of the 693mmu chromogen (vitamin A(2)?) of fish liver oils.
authors.affiliation: The Chemistry Department, Manchester University and the Vitamin Institute, Leningrad.
authors.forename: A E
authors.initials: AE
authors.lastname: Gillam
authors.forename: I M
authors.initials: IM
authors.lastname: Heilbron
authors.forename: W E
authors.initials: WE
authors.lastname: Jones
authors.forename: E
authors.initials: E
authors.lastname: Lederer