TY  - RPRT
TI  - Substantial effective sample sizes were required for external validation studies of predictive logistic regression models.
AU  - Yvonne Vergouwe
AU  - Ewout W Steyerberg
AU  - Marinus J C Eijkemans
AU  - J Dik F Habbema
PY  - 2005
DO  - 10.1016/j.jclinepi.2004.06.017
UR  - https://pubmed.ncbi.nlm.nih.gov/15845334/
ID  - 15845334
ER  -