TY - BOOK ID - 138256145 TI - NIST/NIH vitamin D metabolites quality assurance program report of participant results : Summer 2013 comparability study (exercise 7) AU - Bedner, Mary. AU - Lippa, Katrice A. AU - Tai, Susan S. -C. AU - Information Technology Laboratory (National Institute of Standards and Technology). PY - 2015 PB - Gaithersburg, MD : U.S. Dept. of Commerce, National Institute of Standards and Technology, DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:138256145 AB - ER -