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South Africa
Tuberculosis
Tuberculosis, Pulmonary
Infants
Mycobacterium tuberculosis
Tuberculosis Vaccines
Interferon-gamma
BCG Vaccine
Incidence
Rural Population
Cohort Studies
Educational Status
Longitudinal Studies
Predictive Value of Tests
Tuberculin Test
Gastric Lavage
Clinical Trials as Topic
Immunization Programs
Enzyme-Linked Immunosorbent Assay
Sputum
Co-Publications
16
14
12
10
9
7
5
3
2
1
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