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