Almeida, A.M.P. de et al. 1987. Detection of Yersinia pestis in rodents and other small mammals in the northeast of Brazil during the period from 1966 to 1982 . Revista de Saúde Pública. 21, 3 (Jun. 1987), 265–267. DOI:https://doi.org/10.1590/S0034-89101987000300012.