Memon S, Saeed F, Alam A, Chughtai J, Imtiaz S. Osmolar gap in hyponatraemia—an exploratory study. J Pak Med Assoc [Internet]. 2024 May 24 [cited 2026 May 13];74(6):1163-6. Available from: https://jpma.org.pk/index.php/public_html/article/view/10483