G. V. A. Pessôa, K. Irino, C. T. Calzada, C. E. A. Melles, and E. Kano, “Occurrenceofenteropathogenicbacteria in the City of São Paulo duringtheperiod 1970-76. I - SerotypesofSalmonella”, Rev Inst Adolfo Lutz, vol. 38, no. 2, pp. 87–105, Dec. 1978.