Sjøgren P, Kaasa S
Department of Oncology, Palliative Research Group, Rigshospitalet-Copenhagen University Hospital, Copenhagen.
Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
Ann Oncol. 2016 Nov;27(11):1978-1980. doi: 10.1093/annonc/mdw407. Epub 2016 Aug 29.