A rare incidental encounter of unilateral choanal atresia during adenotonsillectomy in a 5-year-old child: A case report from Tanzania. Indian J Case Reports [Internet]. 2020 Apr. 27 [cited 2024 Nov. 24];6(4):218-20. Available from: https://mansapublishers.com/index.php/ijcr/article/view/2302