Sociodemographic determinants of prevalence and incidence of Helicobacter pylori infection in Portuguese adults

Bastos J, Peleteiro B, Barros R, Alves L, Severo M, de Fátima Pina M, Pinto H, Carvalho S, Marinho A, Guimarães JT, Azevedo A, La Vecchia C, Barros H, Lunet N. Sociodemographic determinants of prevalence and incidence of Helicobacter pylori infection in Portuguese adults. Helicobacter. 2013; 18(6): 413-22.