TY  - RPRT
TI  - Guidelines for evaluating laboratory performance in survey and proficiency testing programs. Report of tentative criteria used in the 1968 surveys of the College of American Pathologists.
PY  - 1968
DO  - 10.1093/ajcp/49.4.457
UR  - https://pubmed.ncbi.nlm.nih.gov/5644688/
ID  - 5644688
ER  -