TY  - RPRT
TI  - Identifiability assumptions for missing covariate data in failure time regression models.
AU  - Paul J Rathouz
PY  - 2006
DO  - 10.1093/biostatistics/kxl014
UR  - https://pubmed.ncbi.nlm.nih.gov/16840561/
ID  - 16840561
ER  -