TY  - RPRT
TI  - Producer quality assurance programs.
AU  - J Kla
AU  - L Tollefson
PY  - 1999
DO  - 10.1016/s0749-0720(15)30214-0
UR  - https://pubmed.ncbi.nlm.nih.gov/10088219/
ID  - 10088219
ER  -