[Means of the standardization of the experimental conditions for the verification of the effectiveness of typhoid vaccines].
D012015:Reference Standards; D014435:Typhoid Fever / Q000276:immunology*; D014436:Typhoid-Paratyphoid Vaccines; D014612:Vaccines
D014436:Typhoid-Paratyphoid Vaccines; D014612:Vaccines
TYPHOID/immunology; VACCINES