TY  - RPRT
TI  - Control of credentialing for advanced practice: analysis using a Lewinian model.
AU  - L N Sammons
PY  - 1983
DO  - 10.1097/00012272-198307000-00005
UR  - https://pubmed.ncbi.nlm.nih.gov/6410979/
ID  - 6410979
ER  -