01648aam 2200445I 450 991070959450332120130320032254.0GOVPUB-C13-3c3f6d7ce7917a840478acce8e7c3475(CKB)5470000002479052(OCoLC)830545254(EXLCZ)99547000000247905220130320d2013 ua 0engtxtrdacontentcrdamediacrrdacarrierNIST/NIH vitamin D metabolites quality assurance program report of participant results summer 2012 comparability study (exercise 6) /Katrice A. Lippa; Mary BednerGaithersburg, MD :U.S. Dept. of Commerce, National Institute of Standards and Technology,2013.1 online resource (28 pages) illustrations (some color)NISTIR ;7895Contributed 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 controlVitamin DQuality control.Vitamin D.Lippa Katrice A1388766Bedner Mary1388765Lippa Katrice A1388766Material Measurement Laboratory (U.S.)NBSNBSGPOBOOK9910709594503321NIST3505650UNINA