TY  - RPRT
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.
PY  - 2015
PB  - National Institute of Standards and Technology
SN  - NIST IR 8007
DO  - 10.6028/NIST.IR.8007
ER  -