Sinulingga HE, Sinaga BY, Siagian P, Ashar T. Profile and risk factors of pre-XDR-TB and XDR-TB patients in a national reference hospital for Sumatra region of Indonesia . Narra J [Internet]. 2023Dec.29 [cited 2025Aug.16];3(3):e407. Available from: https://narraj.org/main/article/view/407