Nainggolan, L., C. Wiguna, I. Hasan, and E. Dewiasty. “Gallbladder Wall Thickening for Early Detection of Plasma Leakage in Dengue Infected Adult Patients”. Acta Medica Indonesiana, vol. 50, no. 3, Oct. 2018, p. 193, https://mail.actamedindones.org/index.php/ijim/article/view/786.