Bittencourt, J. M. T., M. O. Álvares Corrêa, T. Fujioka, J. Tranchesi, and B. Bedrikow. “The Cerebrospinal Fluid in Weil Disease”. Instituto Adolfo Lutz Journal - RIAL, vol. 12, no. 1-2, July 1952, pp. 145-62, doi:10.53393/rial.1952.12.33225.