title: Techniques of an "in vitro" method for determining toxigenicity of Corynebacterium diphtheriae strains.
mesh_terms: D001431:Bacteriological Techniques; D003353:Corynebacterium diphtheriae / Q000145:classification*; D003470:Culture Media; D004167:Diphtheria Toxin / Q000032:analysis*; D005779:Immunodiffusion; D066298:In Vitro Techniques; D008722:Methods
chemical_list: D003470:Culture Media; D004167:Diphtheria Toxin