Interstitial brachytherapy in soft tissue sarcoma: a 5 years institutional experience with Cobalt 60- based high-dose-rate brachytherapy system - Manir, Kazi Sazzad; Basu, Abhishek; Choudhury, Krishnangshu B.; Basu, Swapnendu; Ghosh, Koushik; Gangopadhyay, Subir (Journal of Contemporary Brachytherapy, 2018)