The effect of isoniazid on guinea-pigs previously vaccinated with B.C.G. and infected with strains of mycobacterium tuberculosis already showing varying resistance to this drug.
D001500:BCG Vaccine; D006168:Guinea Pigs; D007538:Isoniazid; D009163:Mycobacterium bovis; D009169:Mycobacterium tuberculosis; D009525:Niacin; D009539:Nicotinic Acids / Q000494:pharmacology*; D014376:Tuberculosis; D014611:Vaccination
D001500:BCG Vaccine; D009539:Nicotinic Acids; D009525:Niacin; D007538:Isoniazid
BCG VACCINATION/experimental; NICOTINIC ACID ISOMERS/effects; TUBERCULOSIS/experimental