Xu, Yuan, Pan Ma, Zhihui Hu, Yuan Tian, Kuo Men, Shulian Wang, Yingjie Xu, and Jianrong Dai. “Non-Coplanar Volumetric Modulated Arc Therapy for Locoregional Radiotherapy of Left-Sided Breast Cancer Including Internal Mammary Nodes”. Radiology and Oncology 55, no. 4 (December 20, 2021): 499–507. Accessed January 22, 2022. https://radioloncol.com/index.php/ro/article/view/3695.