TY  - RPRT
TI  - Rank tests for clustered survival data.
AU  - Sin-Ho Jung
AU  - Jong-Hyeon Jeong
PY  - 2003
DO  - 10.1023/a:1021869803601
UR  - https://pubmed.ncbi.nlm.nih.gov/12602772/
ID  - 12602772
ER  -