Beaulieu, N Liquid chromatographic methods for vitamins A and D in multivitamin-mineral formulations. [electronic resource] - Journal - Association of Official Analytical Chemists - 247-54 p. digital Publication Type: Journal Article ISSN: 0004-5756 Subjects--Topical Terms: Chromatography, High Pressure LiquidMinerals--analysisSpectrophotometry, UltravioletVitamin A--analysisVitamin D--analysis