title: Effect of typhoid O antigen (endotoxin) on the virulence of an O-deficient variant of Salmonella typhosa.
mesh_terms: D000992:Antitoxins; D004731:Endotoxins; D019081:O Antigens; D012485:Salmonella typhi; D012497:Sandhoff Disease; D014118:Toxins, Biological; D014435:Typhoid Fever; D014436:Typhoid-Paratyphoid Vaccines; D014774:Virulence
chemical_list: D000992:Antitoxins; D004731:Endotoxins; D019081:O Antigens; D014118:Toxins, Biological; D014436:Typhoid-Paratyphoid Vaccines
keywords: TOXINS AND ANTITOXINS; TYPHOID/experimental