TY  - RPRT
TI  - Using permutation tests and bootstrap confidence limits to analyze repeated events data from clinical trials.
AU  - L Freedman
AU  - R Sylvester
AU  - D P Byar
PY  - 1989
DO  - 10.1016/0197-2456(89)90026-3
UR  - https://pubmed.ncbi.nlm.nih.gov/2752763/
ID  - 2752763
ER  -