title: Immunological studies on treponemal antigens. I. Isolation and characterization of an antigenic substance in the culture supernatant of avirulent T. pallidum (Nichols).
mesh_terms: D000818:Animals; D000917:Antibody Formation; D000941:Antigens / Q000302:isolation & purification*; D000942:Antigens, Bacterial / Q000302:isolation & purification; D011232:Chemical Precipitation; D002850:Chromatography, Gel; D003470:Culture Media; D004589:Electrophoresis, Disc; D006023:Glycoproteins / Q000032:analysis / Q000633:toxicity; D007114:Immunization; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D007073:Immunoglobulin E; D007275:Injections, Intravenous; D007279:Injections, Subcutaneous; D010743:Phospholipids; D000644:Quaternary Ammonium Compounds; D011817:Rabbits; D012995:Solubility; D013588:Syphilis Serodiagnosis; D014210:Treponema pallidum / Q000276:immunology*
chemical_list: D000941:Antigens; D000942:Antigens, Bacterial; D003470:Culture Media; D006023:Glycoproteins; D010743:Phospholipids; D000644:Quaternary Ammonium Compounds; D007073:Immunoglobulin E