Eric Walker added Treponema pallidum - Wikipedia to Treponema pallidum

Eric Walker added Tuskegee syphilis experiment and a number of links to Syphilis, and added Syphilis to Treponema pallidum and Infectious disease (ID)

Eric Walker added Syphilis and Treponema pallidum - Wikipedia to Treponema pallidum, and added Treponema pallidum to Treponema

Eric Walker added Treponema pallidum to Treponema, and added Treponema to Gram-negative bacteria and Spirochaetaceae