Early genetic diagnosis of thymidine kinase 2-related mitochondrial DNA depletion syndrome in a neonate with respiratory failure: A rare case highlighting the role of early genetic diagnosis and ethical decision-making. Indian J Case Reports [Internet]. 2026 Apr. 16 [cited 2026 Apr. 18];12(4). Available from: https://mansapublishers.com/ijcr/article/view/8152