title: The vitamin D activity of butter: An attempt to elucidate the nature of the labile factor in butter antirachitic for the rat. The antirachitic potency of lard, olive oil, egg oil and the fatty acids of butters and lard.
authors.affiliation: The National Institute for Research in Dairying, University of Reading.
authors.forename: S K
authors.initials: SK
authors.lastname: Kon
authors.forename: R G
authors.initials: RG
authors.lastname: Booth