TY  - GEN
AU  - Altman,D G
AU  - Andersen,P K
TI  - Bootstrap investigation of the stability of a Cox regression model
SN  - 0277-6715
PY  - 1989///0929
KW  - Azathioprine
KW  - therapeutic use
KW  - Clinical Trials as Topic
KW  - methods
KW  - Double-Blind Method
KW  - Humans
KW  - Liver Cirrhosis, Biliary
KW  - drug therapy
KW  - Models, Statistical
KW  - Random Allocation
KW  - Regression Analysis
N1  - Publication Type: Clinical Trial; Journal Article
UR  - https://doi.org/10.1002/sim.4780080702
ER  -