title: [Comparative virulence tests in chickens with transparent and opaque colonies of strains of avian mycobacteria of different serotypes].
mesh_terms: D000818:Animals; D001431:Bacteriological Techniques; D002645:Chickens; D003470:Culture Media; D009161:Mycobacterium / Q000145:classification* / Q000254:growth & development / Q000302:isolation & purification / Q000472:pathogenicity; D012703:Serotyping; D013045:Species Specificity; D014774:Virulence
chemical_list: D003470:Culture Media
vernacular_title: Vergleichende Virulenzprüfungen am Huhn von transparenten und opaken Kolonien aus Stämmen der aviaären Mykobakteriengruppe verschiedener Serotypen.