TY  - RPRT
TI  - Certification and recertification: are they the same?
AU  - J P Cunnington
AU  - G R Norman
PY  - 2000
DO  - 10.1097/00001888-200006000-00011
UR  - https://pubmed.ncbi.nlm.nih.gov/10875506/
ID  - 10875506
ER  -