Karpacheva, V A [Isolation of "metabolite-A" from the cattle blood. Its purification and determination of A-vitamin activity]. [electronic resource] - Voprosy meditsinskoi khimii - 496-502 p. digital Publication Type: Journal Article ISSN: 0042-8809 Subjects--Topical Terms: AnimalsBiological AssayCarotenoidsCattleChromatography, Thin LayerFemaleFluorescenceLiver--metabolismMaleRatsSpectrophotometryVitamin A--administration & dosageVitamin A Deficiency--drug therapy