Taniguchi, K., S. Kii, and K. Uemichi. “Effectiveness of Tonsillectomy in Periodic Fever, Aphthous Stomatitis, Pharyngitis, and Cervical Adenitis Syndrome: A Case Series”. Paediatrica Indonesiana, Vol. 61, no. 3, Apr. 2021, pp. 171-4, doi:10.14238/pi61.3.2021.171-4.