TY  - RPRT
TI  - NIST/NIH Vitamin D Metabolites Quality Assurance Program Report of Participant Results: Winter 2011 Comparability Study (Exercise 3) 
AU  - Bedner, Mary
AU  - Lippa, Katrice A.
PY  - 2012
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 7892
DO  - 10.6028/NIST.IR.7892
ER  -