@article{article, title  = {{Estimating sample sizes for binary, ordered categorical, and continuous outcomes in two group comparisons.}},

 url = {{}},

 year = {{1995}},

 month = {{10}},

 author = {{Campbell MJ and Julious SA and Altman DG}},

 doi = {{10.1136/bmj.311.7013.1145}},

 volume = {{311}},

 journal = {{BMJ}},

 issue = {{7013}},

 pages = {{1145-1148}},

 note = {{Accessed on 2024/10/19}}}