TY  - RPRT
TI  - Does certification mean better performance?
AU  - M L Redd
AU  - J W Alexander
PY  - 1997
DO  - 10.1097/00006247-199702000-00013
UR  - https://pubmed.ncbi.nlm.nih.gov/9287746/
ID  - 9287746
ER  -