title: Chemically-modified crude endotoxins as possible typhoid vaccines.
mesh_terms: D000085:Acetates; D000812:Anhydrides; D000818:Animals; D004731:Endotoxins; D005260:Female; D007114:Immunization; D007928:Lethal Dose 50; D000432:Methanol; D051379:Mice; D010636:Phenols; D011188:Potassium; D011749:Pyrogens / Q000032:analysis; D011817:Rabbits; D012485:Salmonella typhi / Q000276:immunology*; D012486:Salmonella typhimurium / Q000276:immunology; D014435:Typhoid Fever / Q000276:immunology; D014436:Typhoid-Paratyphoid Vaccines
chemical_list: D000085:Acetates; D000812:Anhydrides; D004731:Endotoxins; D010636:Phenols; D011749:Pyrogens; D014436:Typhoid-Paratyphoid Vaccines; D011188:Potassium; D000432:Methanol