Bibliografia
Principal
- Bonita, R., Beaglehole, R. and Kjellström, T. , 2nd edition ( 2006) Basic epidemiology World Health Organization
- Hosmer, D.W. and Lemeshow, S.,3rd edition (2013) Applied Logistic Regression Willey. New York.
- Jewell, N.P. (2003) Statistics for Epidemiology Willey. New York
- Selvin, S.,2nd edition (1996) Statistical Analysis of Epidemiological Data Oxford University Press. New York.