[Evaluation of the virulence and immunogenicity of vaccine strains of Salmonella and Shigella by the method of determining the median dose (50 0/0)].
D006801:Humans; D012475:Salmonella; D012760:Shigella; D014612:Vaccines; D014774:Virulence
D014612:Vaccines
SALMONELLA; SHIGELLA