Guzmán, J. et al. 2019. Antimicrobial susceptibility and mutations in the 23S rRNA gen of Helicobacter pylori in dyspeptic patients. Revista Peruana de Medicina Experimental y Salud Pública. 36, 2 (Jun. 2019), 270–4. DOI:https://doi.org/10.17843/rpmesp.2019.362.3901.