[Studies on the stability of vitamin D2 powder preparations. V. Separation and determination of vitamin D2 and its isomers].
D002845:Chromatography; D003124:Colorimetry; D004355:Drug Stability; D004872:Ergocalciferols / Q000032:analysis*; D011208:Powders
D004872:Ergocalciferols; D011208:Powders