TY  - RPRT
TI  - Some methodologic issues in validation of prognostic models.
AU  - Michael T Koller
AU  - Ewout W Steyerberg
PY  - 2006
DO  - 10.1016/j.cardfail.2006.10.001
UR  - https://pubmed.ncbi.nlm.nih.gov/17174239/
ID  - 17174239
ER  -