共 2 条
- [1] DETERMINATION OF LOW-LEVELS OF VITAMIN-D3 IN ANIMAL FEEDS, USING SEPHADEX LH-20 AND NORMAL PHASE HIGH-PRESSURE LIQUID-CHROMATOGRAPHY JOURNAL OF THE ASSOCIATION OF OFFICIAL ANALYTICAL CHEMISTS, 1980, 63 (05): : 1158 - 1162
- [2] APPLICATION OF 3-ALPHA-HYDROXYSTEROID DEHYDROGENASE COLUMN TO THE DETERMINATION OF BILE-ACIDS FRACTIONATED BY HIGH-PERFORMANCE LIQUID-CHROMATOGRAPHY - ADVANTAGE OF PRETREATING HUMAN BILE-ACIDS WITH SEPPAK C18 AND PIPERIDINOHYDROXYPROPYL SEPHADEX LH-20 ACTA MEDICA OKAYAMA, 1987, 41 (02) : 47 - 54