Eri, R. Y.; Matos, L. L.; Teivelis, M. P.; Wolosker , N.; Leite, A. K. N. Impact of Surgical Volume and Specialist Availability on Thyroidectomy Outcomes in Brazil: An Ecological Study With a Nationwide Retrospective Analysis of 230,345 Cases (2008–2023). Sao Paulo Med J 2026, 144, 1-8.