TY - JOUR AU - Duewer, David AU - Brown, Jeanice AU - Kline, Margaret AU - MacCrehan, William AU - Schaffer, R AU - Sharpless, Katherine AU - may, W AU - Crowell, J C2 - Analytical Chemistry DA - 1997-12-01 LA - en M1 - 69 PB - Analytical Chemistry PY - 1997 TI - NIST/NCI Micronutrients Measurement Quality Assurance Program: Measurement Reproducibility, Repeatability, Stability, and Relative Accuracy for Fat-Soluble Vitamin-Related Compounds in Human Sera ER -