S. B. Cahyono, P. Bayupurnama, N. Ratnasari, and S. Nurdjanah, “Gallstones and Choledocolithiasis with Severe Cholestatic Jaundice in beta-Thalasemia Intermedia Patient”, InaJGHE, vol. 15, no. 2, pp. 120–124, Aug. 2014.