Helicobacter pylori Infection in Pediatric Patients Living in Europe: Results of the EuroPedHP Registry 2013 to 2016. - Kori M; Le Thi TG; Werkstetter K; Sustmann A; Bontems P; Lopes AI; Oleastro M; Iwanczak B; Kalach N; Misak Z; Cabral J; Homan M; et al. (Journal of pediatric gastroenterology and nutrition, 2020)