DR GOVARDHANI V , DR KALAIVANI AMITKUMAR , DR BALAJI RADHAKRISHNAN , DR MEETHU RAPPAI. A Rare Event of Unmasking Anaplastic Transformation in Pre-Existing Papillary Thyroid Carcinoma - A Case Report. South Eastern European Journal of Public Health, [S. l.], p. 3793–3798, 2025. DOI: 10.70135/seejph.vi.5857. Disponível em: https://seejph.com/index.php/seejph/article/view/5857. Acesso em: 30 apr. 2026.