Gunawan, Hendra, et al. “CLINICAL PROFILE OF THYROID DISORDERS IN DR. SOETOMO GENERAL HOSPITAL SURABAYA”. Journal of the ASEAN Federation of Endocrine Societies, vol. 34, no. 2, June 2022, pp. 34-35, https://asean-endocrinejournal.org/index.php/JAFES/article/view/1977.