Moncayo, J.I., Santacruz, J.J., Alvarez, A.L., Franco, B., López, M.A., Angel, A., Gallego, M.L. and Serrano, H. 1. Comparison of methods in the diagnosis of Helicobacter pylori infection in Quindío, Colombia. Colombia Médica. 37, 3 (1), 203-212. DOI:https://doi.org/10.25100/cm.v37i3.446.