TY  - RPRT
TI  - Multiprogram characterization of laboratory bias, precision, and total error. Proposal for improved assessment with shared external and expanded internal (regional) quality control pools.
AU  - N S Lawson
AU  - B F Gilmore
AU  - D W Tholen
PY  - 1988
UR  - https://pubmed.ncbi.nlm.nih.gov/3355348/
ID  - 3355348
ER  -