20. Maltoni, M, Scarpi, E, Rosati, M, Derni, S, Fabbri, L, Martini, F, et al. Palliative sedation in end-of-life care and survival: A systematic review. Journal of Clinical Oncology 2012;30(12):1378–83CrossRefGoogle ScholarPubMed; Barathi, B, Chandra, PS. Palliative sedation in advanced cancer patients: Does it shorten life? A systematic review. Indian Journal of Palliative Care 2013;19(1):40–7CrossRefGoogle ScholarPubMed. Many doctors don’t share that belief, as is shown by the surprisingly large numbers of doctors (by now 36 percent of Dutch doctors, See Onwuteaka-Philipsen 2017:122) who at least ex ante think that by administering morphine or midazolam they will probably hasten the death of the patient as an unintended side-effect. In most cases, the doctor herself believes afterwards that no life-shortening effect had actually occurred (63 percent in 2005, according to Rurup, M, Borgsteede, S, van der Heide, A, et al. Trends in the use of opioids at the end of life and the expected effects on hastening death. Journal of Pain and Symptom Management 2009;37(2):144–55CrossRefGoogle ScholarPubMed.