*Clinical Chemistry Branch, Division of Laboratory Sciences, National Center
for Environmental Health,
Centers for Disease Control and Prevention, Atlanta, Georgia
**大阪府立健康科学センター 脂質基準分析室(〒537-0025 大阪市東成区中道1-3-2)
US National Cholesterol Reference Method Labora-tory Network(CRMLN)
電話:06-6973-5582 FAX:06-6973-3574
E-mail :xnakamura@kenkoukagaku.jp