The effect of isoniazid on the tuberculin test.
D006801:Humans; D007536:Isomerism; D007538:Isoniazid; D009525:Niacin; D009539:Nicotinic Acids / Q000494:pharmacology*; D014373:Tuberculin; D014374:Tuberculin Test
D009539:Nicotinic Acids; D014373:Tuberculin; D009525:Niacin; D007538:Isoniazid
NICOTINIC ACID ISOMERS/effects; TUBERCULIN