Shamsa Kanwal, Ani Haider, Abdul Majeed Akhtar. Factors associated with loss to follow-up and death in patients with extensively drug-resistant tuberculosis. J Pak Med Assoc [Internet]. 2025 Oct. 20 [cited 2025 Nov. 13];75(11):1702-8. Available from: https://jpma.org.pk/index.php/public_html/article/view/21347