TY - RPRT TI - NIST micronutrients measurement quality assurance program: 1984-1985 comparability studies results for round robins I, II, III and V fat soluble vitamins and carotenoids in human serum AU - Duewer, David L AU - Kline, Margaret C AU - MacCrehan, William A AU - May, Willie E AU - Paule, Robert C AU - Parris, Reenie AU - Schaffer, Robert AU - Thomas, Jeanice B PY - 2019 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 7880-39 DO - 10.6028/NIST.IR.7880-39 ER -