TY - GEN AU - Rubinstein,E AU - Gatner,E M TI - Age-specific risk of tuberculosis infection SN - 0256-9574 PY - 1981///0720 KW - Adolescent KW - Age Factors KW - Child KW - Child, Preschool KW - Humans KW - Risk KW - South Africa KW - Tuberculosis, Pulmonary KW - epidemiology N1 - Publication Type: Letter ER -