@inbook{inbook, title  = {{Background to Sample Size Calculations}},

 publisher = {{Chapman and Hall/CRC}},

 url = {{}},

 year = {{2021}},

 month = {{7}},

 author = {{Rothwell J and Cooper C and Julious S and Campbell M}},

 doi = {{10.1201/9781315119694-12}},

 pages = {{243-274}},

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