Identification of Treponema pallidum Subspecies pallidum in a 200-year-old Skeletal Specimenv. 1802060–2063
Kolman, Connie J., Centurion-Lara, Arturo, Lukehart, Sheila A., Owsley, Douglas W., and Tuross, Noreen C. 1999. "Identification of Treponema pallidum Subspecies pallidum in a 200-year-old Skeletal Specimen." The Journal of infectious diseases, 180 2060–2063.