Kaasa, S., Loge, J. H., Aapro, M., Albreht, T., Anderson, R., Bruera, E., …Lundeby, T. (2018). Integration of oncology and palliative care: a Lancet Oncology Commission. The Lancet Oncology, 19(11), e588-e653. https://doi.org/10.1016/S1470-2045%2818%2930415-7