@misc{misccec495f2,
title   = {Contact X-Ray Brachytherapy in Organ Preservation for Rectal Cancer},
author = {Habr-gama, Angelita and Juliao, Guilherme Pagin Sao and Perez, Rodrigo O},
year = {2018},
doi = {10.1016/j.ijrobp.2018.03.021},
journal   = {International journal of radiation oncology biology physics}
}