TY  - RPRT
TI  - Attitudes toward certification.
AU  - S Puterbaugh
AU  - P S Gibson
PY  - 1992
DO  - 10.1016/s0001-2092(07)68679-7
UR  - https://pubmed.ncbi.nlm.nih.gov/1472239/
ID  - 1472239
ER  -