TY  - RPRT
TI  - A proficiency test assessment of clinical laboratory capability in the United States 
AU  - Finkel, Peter W
AU  - Miller, Ted R
PY  - 1973
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 73-163
DO  - 10.6028/NBS.IR.73-163
ER  -