title: Little importance of factor O XI in anti-typing immunization; two different mechanisms in immunization.
mesh_terms: D006801:Humans; D007109:Immunity; D014435:Typhoid Fever; D014436:Typhoid-Paratyphoid Vaccines
chemical_list: D014436:Typhoid-Paratyphoid Vaccines
keywords: TYPHOID/immunity
vernacular_title: Poca importancia del factor O XI en la inmunización antitifica; dos mecanismos diferentes en la inmunización.