Shahsavand Davoudi, Amirhossein, et al. “Ultrasound Evaluation of Gallbladder Wall Thickness for Predicting Severe Dengue: A Systematic Review and meta‑analysis”. The Ultrasound Journal, vol. 17, no. 1, Feb. 2025, p. 12, https://www.mattioli1885journals.com/index.php/theultrasoundjournal/article/view/18108.