Serum zinc level in children with acute lower respiratory tract infection: A hospital-based case-control study. Bangabandhu Sheikh Mujib Medical University Journal, [S. l.], v. 19, n. 2, p. e90004, 2026. DOI: 10.3329/bsmmuj.v19i2.90004. Disponível em: https://www.banglajol.info/index.php/BSMMUJ/article/view/90004. Acesso em: 26 jun. 2026.