Edward, Eka D, Nelly Rosdiana, Farhat Farhat, Olga Siregar, and Bidasari Lubis. 2015. “Prevalence and Risk Factors of Hearing Loss in Children With Solid Tumors Treated With Platinum-Based Chemotherapy”. Paediatrica Indonesiana 55 (3), 121-5. https://doi.org/10.14238/pi55.3.2015.121-5.