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.

Aminosalicylic Acids/pharmacology Animals Drug Resistance, Microbial Guinea Pigs Isoniazid/pharmacology Mutation Mycobacterium tuberculosis/drug effects,isolation & purification,radiation effects Organ Size Radiation Effects Spleen Tuberculosis/microbiology Ultraviolet Rays Virulence/radiation effects

Aminosalicylic Acids Isoniazid