Yang, Deshan, Jie Zheng, Ahmad Nofal, Joseph Deasy, and Issam El Naqa. “Techniques and Software Tool for 3D Multimodality Medical Image Segmentation”. Journal of Radiation Oncology Informatics 1, no. 1: 1-22. Accessed December 10, 2019. https://bop.unibe.ch/JROI/article/view/3898.