Yadav RK, Malla SS, Thapa A. Ultrasound Guided Thoracic Paravertebral Block as an Analgesic Technique for Tracheoesophageal Fistula repair : A Case Report. Birat J. Health Sci. [Internet]. 2021 Jun. 14 [cited 2024 Nov. 24];6(1):1422-5. Available from: https://nepjol.info./index.php/bjhs/article/view/37666