Immune serum confers protection against syphilitic infection on hamsters.

le Azadegan, A A, Schell, R F, LeFrock, J L
Foilsithe 1983

Acquired resistance of hamsters to challenge with homologous and heterologous virulent treponemes.

le Schell, R F, Azadegan, A A, Nitskansky, S G, LeFrock, J L
Foilsithe 1982

Cobra venom factor abrogates passive humoral resistance to syphilitic infection in hamsters.

le Azadegan, A A, Tabor, D R, Schell, R F, LeFrock, J L
Foilsithe 1984