Susilawati, S., S. Soetjiningsih, B. Arhana, and I. Subanada. “Effectiveness of PainAway® on Hepatitis B Intramuscular Injection in Term Neonates: A Randomized Controlled Trial”. Paediatrica Indonesiana, Vol. 50, no. 4, Aug. 2010, pp. 214-9, doi:10.14238/pi50.4.2010.214-9.