Bodilsen, Anne, et al. “Pattern of Relapse After Breast Conserving Therapy, a Study of 1519 Early Breast Cancer Patients Treated in the Central Region of Denmark 2000–2009”. Acta Oncologica, vol. 55, no. 8, Aug. 2016, pp. 964-9, doi:10.3109/0284186X.2016.1167955.