Mahadi, Mahadi, Syahril Pasaribu, Munar Lubis, and Chairuddin Lubis. 1991. “Acute Hepatitis at the Department of Pediatrics, School of Medicine, University of North Sumatera/Dr. Pirngadi Hospital, Medan”. Paediatrica Indonesiana 31 (5-6), 145-9. https://doi.org/10.14238/pi31.5-6.1991.145-9.