Loor-Moreira, J., Parraga-Roca, C. and Lucas Párrales, E.N. 2021. Extended spectrum Beta lactamases in Gram negative bacilli: characterization and prevalence by type of infection. Systematic Review. Kasmera. 49, Supl 1 (Oct. 2021), e49S136019. DOI:https://doi.org/10.5281/zenodo.5529681.