Mustawa, I., S. Supriatmo, H. Hakimi, and A. B. Sinuhaji. “Effectiveness of Amitriptyline for Treating Functional Dyspepsia in Adolescents”. Paediatrica Indonesiana, vol. 56, no. 5, Jan. 2017, pp. 262-6, doi:10.14238/pi56.5.2016.262-6.