Ramírez-Bulla, P., Mercado-Reyes, M., Trespalacios-Rangel, A.A., Avila-Coy, J. and Otero-Regino, W. 2012. Current status of Helicobacter pylori resistance to tetracycline: a systematic review of the literature. Universitas Scientiarum. 17, 2 (Jun. 2012), 216–229. DOI:https://doi.org/10.11144/javeriana.SC17-2.csoh.