Saifuddin, A., S. Koesnoe, N. Kurniati, S. Sirait, R. Arisanty, and E. Yunihastuti. “COVID Arm After Moderna Booster in Healthcare Worker: A Case Report”. Acta Medica Indonesiana, vol. 53, no. 3, Oct. 2021, p. 326, https://actamedindones.org/index.php/ijim/article/view/1906.