Jeene, Paul M., et al. “Survival After Whole Brain Radiotherapy for Brain Metastases from Lung Cancer and Breast Cancer Is Poor in 6325 Dutch Patients Treated Between 2000 and 2014”. Acta Oncologica, vol. 57, no. 5, May 2018, pp. 637-43, doi:10.1080/0284186X.2017.1418534.