TY  - RPRT
TI  - Revalidation: the purpose needs to be clear.
AU  - Tim van Zwanenberg
PY  - 2004
DO  - 10.1136/bmj.328.7441.684
UR  - https://pubmed.ncbi.nlm.nih.gov/15031240/
ID  - 15031240
ER  -