title: A Delicate Colour Reaction for the Presence of Vitamin A.
authors.affiliation: The National Institute for Medical Research, Mount Vernon, Hampstead, and the Department of Physiology and Biochemistry, University College, London.
authors.forename: O
authors.initials: O
authors.lastname: Rosenheim
authors.forename: J C
authors.initials: JC
authors.lastname: Drummond