The requirement of tumour necrosis factor-alpha and interferon-gamma for the expression of protective immunity to secondary murine tularaemia depends on the size of the challenge inoculum

anticorps monoclonal anticuerpos monoclonales citoquininas cytokines cytokinine cytokinins experimental infection facteur immunologique francisella francisella tularensis immunisation immunization immunological factors in vivo experimentation interferon interferonas interferons mice monoclonal antibodies souris tumour necrosis factor