The effect of isoniazid prophylaxis on tuberculosis morbidity among household contacts of previously known cases of tuberculosis.
D005191:Family Characteristics; D006801:Humans; D007538:Isoniazid / Q000628:therapy*; D009017:Morbidity; D014376:Tuberculosis; D014397:Tuberculosis, Pulmonary / Q000517:prevention & control*
D007538:Isoniazid
ISONIAZID/therapy; TUBERCULOSIS, PULMONARY/prevention and control