TY  - RPRT
TI  - NIST/NIH Vitamin D Metabolites Quality Assurance Program Report of Participant Results: Summer 2012 Comparability Study(Exercise 6) 
AU  - Lippa, Katrice A.
AU  - Bedner, Mary
PY  - 2013
PB  - National Institute of Standards and Technology
SN  - NIST IR 7895
DO  - 10.6028/NIST.IR.7895
ER  -