TY - RPRT TI - Automated variable selection methods for logistic regression produced unstable models for predicting acute myocardial infarction mortality. AU - Peter C Austin AU - Jack V Tu PY - 2004 DO - 10.1016/j.jclinepi.2004.04.003 UR - https://pubmed.ncbi.nlm.nih.gov/15567629/ ID - 15567629 ER -