Susilawati, S., Soetjiningsih, S., Arhana, B., & Subanada, I. (2010). Effectiveness of PainAway® on hepatitis B intramuscular injection in term neonates: a randomized controlled trial. Paediatrica Indonesiana, 50(4), 214-9. https://doi.org/10.14238/pi50.4.2010.214-9