Xu, Y., P. Ma, Z. Hu, Y. Tian, K. Men, S. Wang, Y. Xu, and J. Dai. “Non-Coplanar Volumetric Modulated Arc Therapy for Locoregional Radiotherapy of Left-Sided Breast Cancer Including Internal Mammary Nodes”. Radiology and Oncology, vol. 55, no. 4, Dec. 2021, pp. 499-07, https://radioloncol.com/index.php/ro/article/view/3695.