TY - GEN AU - Glatthaar,E AU - Arabin,G AU - Kleeberg,H H TI - The significance of the tuberculosis infection risk and its application in Pretoria SN - 0256-9574 PY - 1978///0925 KW - Ethnicity KW - Health Status Indicators KW - Health Surveys KW - Humans KW - Risk KW - South Africa KW - Tuberculin Test KW - Tuberculosis, Pulmonary KW - epidemiology N1 - Publication Type: Journal Article ER -