Taylor, C. M., Osman, D., & Cavet, J. S. (2009). Differential expression from two iron-responsive promoters in Salmonella enterica serovar Typhimurium reveals the presence of iron in macrophage-phagosomes. Microbial Pathogenesis, 46(2), 114-118. https://doi.org/10.1016/j.micpath.2008.11.001