Dosimetric impact of bladder filling on organs at risk with barium contrast in the small bowel for adjuvant vaginal cuff brachytherapy - del Carmen Salas Buzón, María; Gutiérrez Bayard, Lucía; Rodríguez Sanchez, Raquel; Quiñones Rodríguez, Luis Ángel; Sayago Gil, Sarah; Muñoz Higueras, Cristina (Journal of Contemporary Brachytherapy, 2021)