TY - GEN AU - Berry,M AU - Kon,O M TI - Multidrug- and extensively drug-resistant tuberculosis: an emerging threat SN - 1600-0617 PY - 2011///0224 KW - Extensively Drug-Resistant Tuberculosis KW - epidemiology KW - Humans KW - Tuberculosis, Multidrug-Resistant N1 - Publication Type: Editorial; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1183/09059180.00005209 ER -