1. Demonstration of rare protein in the outer membrane of Treponema pallidum subsp pallidum by freezefracture analysis;Walker, E.M.; Zampighi, G.A.; Blanco, D.R.; Miller, J.N.; Lovett, M.A.;J Bacteriol,1989
2. Demonstration of extracellular material at the surface of pathogenic T. pallidum cells;Zeigler, J.A.; Jones, A.M.; Jones, R.H.; Kubica, K.M.;Br J Venereal Dis,1976
3. Surface mucopolysaccharides of Treponema pallidum;Fitzgerald, T.J.; Johnson, R.C.;Infect Immun,1979
4. Surface-associated host proteins on virulent Treponema pallidum;Alderete, J.F.; Baseman, J.B.;Infect Immun,1979
5. Outer membrane ultrastructure explains the limited antigenicity of virulent Treponema pallidum;Radolf, J.D.; Norgard, M.V.; Schulz, W.W.;Proc Natl Acad Sci USA,1989