The prevalence and spectrum of thyroid dysfunction among children with Down syndrome attending the paediatric services at two tertiary hospitals in Pretoria, South Africa. South African Journal of Child Health, [S. l.], v. 17, n. 4, p. 186–189, 2023. DOI: 10.7196/SAJCH.2023.v17i4.2007. Disponível em: https://samajournals.co.za/index.php/sajch/article/view/1450. Acesso em: 1 may. 2026.