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    • George, Sergio; Mamani Manzano, Nora; Lucero Álvarez, Yalda; Torres Torretti, Juan Pablo; Farfán Urzúa, Mauricio; Lagomarcino, Anne J.; Orellana, Andrea; O'Ryan Gallardo, Miguel (Wiley-Blackwell, 2016)
      BackgroundWe previously detected Helicobacter pylori infection by stool antigen ELISA assay in 33-41% of asymptomatic Chilean children between 2-3 years of age, of which 11-20% had a transient infection and 21-22% a ...