New definitions of pre-extensively and extensively drug-resistant tuberculosis: update from the World Health Organization

Viney, K; Linh, NN; Gegia, M; Zignol, M; Glaziou, P; Ismail, N; Kasaeva, T; Mirzayev, F

Viney, K (corresponding author), World Hlth Org, Global TB Programme, Ave Appia 20, CH-1211 Geneva, Switzerland.

EUROPEAN RESPIRATORY JOURNAL, 2021; 57 (4):