No abstract available
MeSH terms
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Ethambutol / therapeutic use
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Humans
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Isoniazid / therapeutic use
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Maryland
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Streptomycin / therapeutic use
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Time Factors
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Tuberculin Test
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Tuberculosis, Pulmonary / drug therapy
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Tuberculosis, Pulmonary / prevention & control
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Tuberculosis, Pulmonary / transmission*
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Urban Population
Substances
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Ethambutol
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Isoniazid
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Streptomycin