title: Effect of ultraviolet irradiation on the acid-fastness of drug-resistant mutants of tubercle bacilli, with special reference to the virulence of isoniazid-resistant strains.
mesh_terms: D000636:Aminosalicylic Acids / Q000494:pharmacology; D000818:Animals; D004352:Drug Resistance, Microbial; D006168:Guinea Pigs; D007538:Isoniazid / Q000494:pharmacology*; D009154:Mutation; D009169:Mycobacterium tuberculosis / Q000187:drug effects / Q000302:isolation & purification / Q000528:radiation effects*; D009929:Organ Size; D011830:Radiation Effects; D013154:Spleen; D014376:Tuberculosis / Q000382:microbiology; D014466:Ultraviolet Rays; D014774:Virulence / Q000528:radiation effects*
chemical_list: D000636:Aminosalicylic Acids; D007538:Isoniazid