Brelin, MD, S., Fredheim, MD, PhD, O. M., Loge, MD, PhD, J. H., Skurtveit, PhD, S., Johannesen, MD, PhD, T. B., Aass, MD, PhD, N., Ottesen, MD, PhD, S., & Hjermstad, PhD, M. J. (2016). Opioids for outpatients with cancer in their last year of life: A nationwide pharmacoepidemiological study. Journal of Opioid Management, 12(1), 25–36. https://doi.org/10.5055/jom.2016.0309