TY  - RPRT
TI  - Certification, accreditation, and specialization in the 1990s.
AU  - R B King
PY  - 1991
DO  - 10.1016/0090-3019(91)90175-9
UR  - https://pubmed.ncbi.nlm.nih.gov/2053056/
ID  - 2053056
ER  -