Literatura
Beaglehole, Robert, Ruth Bonita, and Tord Kjellstrom. 1996. Podstawy Epidemiologii. Instytut Medycyny Pracy.
Bland, Martin. 2015. An Introduction to Medical Statistics. Oxford University Press.
Machin, David, Michael J Campbell, and Stephen J Walters. 2007. Medical Statistics. John Wiley.