01633aam 2200445I 450 991070959460332120130320032254.0GOVPUB-C13-0a461c7fc3503471ed5bf349c0faffe1(CKB)5470000002479051(OCoLC)830541790(EXLCZ)99547000000247905120130320d2013 ua 0engtxtrdacontentcrdamediacrrdacarrierNIST/NIH vitamin D metabolites quality assurance program report of participant results winter 2012 comparability study (exercise 5) /Mary BednerGaithersburg, MD :U.S. Dept. of Commerce, National Institute of Standards and Technology,2013.1 online resource (22 pages) illustrations (some color)NISTIR ;7894Contributed record: Metadata reviewed, not verified. Some fields updated by batch processes.March 2013.Title from PDF title page (viewed March 19, 2013).Includes bibliographical references.NIST/NIH vitamin D metabolites quality assurance program report of participant results Quality assuranceVitamin DQuality assurance.Vitamin D.Bedner Mary1388765Lippa Katrice A1388766Tai Susan S.-C1388767Material Measurement Laboratory (U.S.)NBSNBSGPOBOOK9910709594603321NIST3439725UNINA