Modified Houdek vault applicator for high-dose-rate brachytherapy: a technical report and case series - Krishnamurthy, Revathy; Gurram, Lavanya; Ghadi, Yogesh; Aravindhan, Dheera; Scaria, Libin; Kohle, Satish; Kadam, Sudarshan; Chopra, Supriya; Mahantshetty, Umesh (Journal of Contemporary Brachytherapy, 2021)