Hagen, Anne I., Anna M. Bofin, Borgny Ytterhus, Lovise O. Mæhle, Kjell H. Kjellevold, Hans O. Myhre, Pål Møller, and Per E. Lønning. “Amplification of TOP2A and HER-2 Genes in Breast Cancers Occurring in Patients Harbouring BRCA1 Germline Mutations”. Acta Oncologica 46, no. 2 (January 1, 2007): 199–203. Accessed May 19, 2026. https://medicaljournalssweden.se/actaoncologica/article/view/26283.