Søiland, H., Skaland, I., Erik Varhaug, J., Kørner, H., Janssen, E. A., Gudlaugsson, E., … Arne Søreide, J. (2009). Co-expression of estrogen receptor α and Apolipoprotein D in node positive operable breast cancer – possible relevance for survival and effects of adjuvant tamoxifen in postmenopausal patients. Acta Oncologica, 48(4), 514–521. https://doi.org/10.1080/02841860802620613