Naotoshi Sagawa

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Department of Laboratory Medicine, Toho University Ohashi Medical Center, 2-17-6 Ohashi, Meguro, Tokyo 153-8515, Japan Department of Health and Nutrition, Wayo Women's University, Chiba, Japan Graduate School of Human Life Science, Showa Women's University, Tokyo, Japan Department of Clinical Chemistry, Fujita Health University, School of Health Sciences,(More)
Vitamin-enriched, lyophilized serum (VES) was prepared for an inter-laboratory study to compare vitamin assays. The VES contained water-soluble vitamins (vitamin B1, vitamin B12, vitamin C, and folate), fat-soluble vitamins (vitamin A and vitamin E), and cholesterol. We performed stability studies and determined vitamin concentrations and total cholesterol(More)
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