TY - RPRT TI - Improved odds ratio estimation by post hoc stratification of case-control data. AU - M Neuhäuser AU - H Becher PY - 1997 DO - 10.1002/(sici)1097-0258(19970515)16:9<993::aid-sim505>3.0.co;2-2 UR - https://pubmed.ncbi.nlm.nih.gov/9160494/ ID - 9160494 ER -