TY - BOOK AU - Walters, S. J. AU - Campbell, M. J. AU - Machin, D. TI - Medical Statistics: a textbook for the health sciences SN - 9781119423645 U1 - 610.72 23rd PY - 2021/// CY - New Jersey PB - John Wiley KW - Research Design KW - Biometry KW - methods KW - Public Health KW - statistical methods KW - Medical Statistics ER -