@article{698819d400aa466baf2e82280ca3a07c,
title = "The MRC superficial bladder cancer trial of intravesical mytomicin-c after complete surgical resection. Sequential statistical methods applied to survival data from a randomised clinical trial",
keywords = " Clinical trials; Interim analyses; Stopping rules; Stopping boundaries; Sequential analysis; Survival data: model checking; Proportionality of hazards",
author = "Michael Donaldson and Gonzalez, {Juan Guillermo} and Parmar, {Mahesh K B} and Nora Donaldson",
year = "2009",
doi = "10.1016/j.ijsu.2009.04.017",
language = "English",
volume = "7",
pages = "441--445",
journal = "International Journal Of Surgery",
issn = "1743-9191",
publisher = "Elsevier",
number = "5",
}