@book{book, title  = {{Medical Statistics: A Textbook for the Health Sciences}},

 publisher = {{Wiley-Blackwell}},

 year = {{2007}},

 month = {{1}},

 author = {{Campbell MJ and Machin D and Walters SJ}},

 isbn = {{9780470025192}},

 note = {{Accessed on 2026/08/22}}}