TY  - RPRT
TI  - Clinical laboratory performance analysis using proficiency test statistics 
AU  - Finkel, Peter W
AU  - Rowen, John W
PY  - 1973
PB  - National Bureau of Standards
CY  - Gaithersburg, MD
SN  - NBS IR 73-197r
DO  - 10.6028/NBS.IR.73-197r
ER  -