Astudillo, M., Estrada, V., Fernández de Soto, M., & Moreno, L. (1). Bordetella pertussis infection in household contacts of cases of pertussis in the southeast zone of the city of Cali, Colombia, 2006-2007. Colombia Médica, 42(2), 184-190. https://doi.org/10.25100/cm.v42i2.769