Comparison Of External Beam Radiotherapy Followed By Intra-Luminal Brachytherapy With External Beam Radiotherapy Alone In Locally Advanced Carcinoma Of Esophagus. int.jour.sci.res.mana [Internet]. 2017 Dec. 7 [cited 2025 Apr. 3];5(12):7644-51. Available from: https://ijsrm.net/index.php/ijsrm/article/view/515