Alcedo, J., D. Casas, J. Gotor, M. Lafuente, M. Llorente, P. Sanz-Segura, R. Monzón, C. Hörndler, and E. Peña-Galo. “The Validity of the Invasive Tests for Helicobacter Pylori Diagnosis Is Unequally Affected by the Consumption of Antibiotics or Pump Inhibitors. Test Performance under Real-World Conditions”. Journal of Gastrointestinal and Liver Diseases, Vol. 30, no. 2, June 2021, pp. 198-04, doi:10.15403/jgld-3161.