@misc{850531, author = {David Duewer and Katherine Sharpless and Jeanice Brown Thomas}, title = {NIST Micronutrients Measurement Quality Assurance Program Winter 2003 Comparability Studies: Results for Round Robin LIII Fat-Soluble Vitamins and Carotenoids in Human Serum and Round Robin 18 Ascorbic Acid in Human Serum}, year = {2013}, month = {2013-06-27 00:06:00}, publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=913769}, doi = {https://doi.org/10.6028/NIST.IR.7880-19}, language = {en}, }