Hjorth, C.F. et al. 2019. Multi-drug resistance protein 2 (MRP2) expression, adjuvant tamoxifen therapy, and risk of breast cancer recurrence: a Danish population-based nested case-control study. Acta Oncologica. 58, 2 (Feb. 2019), 168–174. DOI:https://doi.org/10.1080/0284186X.2018.1537508.