@article{article, title  = {{Survival analysis part IV: further concepts and methods in survival analysis.}},

 url = {{http://eprints.whiterose.ac.uk/121561/ }},

 year = {{2003}},

 month = {{9}},

 author = {{Clark TG and Bradburn MJ and Love SB and Altman DG}},

 doi = {{10.1038/sj.bjc.6601117}},

 volume = {{89}},

 journal = {{Br J Cancer}},

 issue = {{5}},

 pages = {{781-786}},

 note = {{Accessed on 2024/09/20}}}