title: [Studies on a subculture medium to maintain the virulence of Mycobacterium tuberculosis (strain H37 Rv)].
mesh_terms: D000818:Animals; D001431:Bacteriological Techniques; D003470:Culture Media; D006168:Guinea Pigs; D008297:Male; D051379:Mice; D009169:Mycobacterium tuberculosis / Q000472:pathogenicity*; D014774:Virulence
chemical_list: D003470:Culture Media