title: Evaluation of tests to determine the virulence of tubercle bacilli.
mesh_terms: D000818:Animals; D006168:Guinea Pigs; D066298:In Vitro Techniques; D008264:Macrophages / Q000166:cytology*; D051379:Mice; D009169:Mycobacterium tuberculosis / Q000472:pathogenicity*; D014774:Virulence