K. K. Singh, A. Mishra, A. Chandra, D. Pratap, P. Agarwal, and M. Alam, “Study of the medium term outcome in corrosive upper gastrointestinal strictures managed in one unit by combined endoscopic and surgical modalities”, Int Surg J, vol. 6, no. 12, pp. 4313–4317, Nov. 2019.