Yadav, R. K., Malla, S. S., & Thapa, A. (2021). Ultrasound Guided Thoracic Paravertebral Block as an Analgesic Technique for Tracheoesophageal Fistula repair : A Case Report. Birat Journal of Health Sciences, 6(1), 1422–1425. https://doi.org/10.3126/bjhs.v6i1.37666