TY  - RPRT
TI  - NISTNIH Vitamin D Metabolites Quality Assurance Program (VitDQAP): final report
AU  - Bedner, Mary
AU  - Lippa, Katrice A
AU  - Tai, Susan S-C
AU  - Burdette, Carolyn Q
PY  - 2020
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 8293
DO  - 10.6028/NIST.IR.8293
ER  -