TY  - RPRT
TI  - Maximum likelihood estimation for Cox's regression model under nested case-control sampling.
AU  - Thomas H Scheike
AU  - Anders Juul
PY  - 2004
DO  - 10.1093/biostatistics/5.2.193
UR  - https://pubmed.ncbi.nlm.nih.gov/15054025/
ID  - 15054025
ER  -