TY  - RPRT
TI  - Robust inference for multivariate survival data.
AU  - M R Segal
AU  - J M Neuhaus
PY  - 1993
DO  - 10.1002/sim.4780121103
UR  - https://pubmed.ncbi.nlm.nih.gov/8341863/
ID  - 8341863
ER  -