TY  - RPRT
TI  - Power estimation for rank tests using censored data: conditional and unconditional.
AU  - A B Cantor
PY  - 1991
DO  - 10.1016/0197-2456(91)90007-9
UR  - https://pubmed.ncbi.nlm.nih.gov/1657525/
ID  - 1657525
ER  -