S. Teraoka

High-performance liquid chromatographic determination of vitamin D3 in fish liver oils and eel body oils.

T. Kobayashi, T. Okano, A. Takeuchi, 1984, Journal of nutritional science and vitaminology.

High-performance liquid chromatographic determination of vitamin D in foods, feeds and pharmaceuticals by successive use of reversed-phase and straight-phase columns.

T. Kobayashi, T. Okano, A. Takeuchi, 1984, Journal of nutritional science and vitaminology.