Vathanasakpuban, P., Yangthara, B., Vatanavicharn, N., Liammongkolkul, S. and Lertbannaphong, O. 2026. Thyroid Disorders in Preterm Infants: Prevalence, Etiologies, and Thyroid Function Test Characteristics. Siriraj Medical Journal. 78, 9 (Sep. 2026), 649–659. DOI:https://doi.org/10.33192/smj.v78i9.281716.