title: Immunological studies on treponemal antigens. II. Serological changes and resistance to infection in rabbits immunized with culture supernatant of avirulent Treponema pallidum.
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000941:Antigens / Q000302:isolation & purification*; D003470:Culture Media; D007109:Immunity; D007114:Immunization; D008297:Male; D011817:Rabbits; D013587:Syphilis / Q000276:immunology* / Q000517:prevention & control; D013588:Syphilis Serodiagnosis; D014210:Treponema pallidum / Q000276:immunology*; D014774:Virulence
chemical_list: D000941:Antigens; D003470:Culture Media