TY - JOUR AU - David Duewer AU - Margaret Kline AU - Katherine Sharpless AU - Jeanice Brown AU - K Gary AU - A. Sowell C2 - Analytical Chemistry DA - 1999-12-01 LA - en M1 - 71 PB - Analytical Chemistry PY - 1999 TI - Micronutrients Measurement Quality Assurance Program: Helping Participants Use Interlaboratory Comparison Exercise Results to Improve Their Long-Term Measurement Performance ER -