Panggabean, E., Irsa, L., Anwar, R., Lubis, M., Rusdidjas, R., & Pasaribu, S. (2016). Oral-dental hygiene and oral microorganisms in children with and without congenital heart disease. Paediatrica Indonesiana, 45(3), 127-31. https://doi.org/10.14238/pi45.3.2005.127-31