1. van den Beuken-van Everdingen MH, de Rijke JM, Kessels AG, Schouten HC, van Kleef M, Patijn J. Prevalence of pain in patients with cancer: a systematic review of the past 40 years. Ann Oncol. 2007; 18:1437–49.
Article
2. Swarm RA, Paice JA, Anghelescu DL, Are M, Bruce JY, Buga S, et al. Adult cancer pain, version 3.2019, NCCN clinical practice guidelines in oncology. J Natl Compr Canc Netw. 2019; 17:977–1007.
Article
3. Soto E. Relevance of ketamine in the management of cancer pain. Ann Palliat Med. 2013; 2:40–2.
4. Fallon M, Giusti R, Aielli F, Hoskin P, Rolke R, Sharma M, et al. Management of cancer pain in adult patients: ESMO clinical practice guidelines. Ann Oncol. 2018; 29 Suppl 4:iv166–91.
Article
5. Kim S, Kang J, Choi J, Kong E. The effects of ketamine on pain control in stage IV cancer patients receiving palliative care. Kosin Med J. 2022; 37:37–45.
Article
6. Cheung K, Chan PC, Lo SH. The use of ketamine in the management of refractory cancer pain in a palliative care unit. Ann Palliat Med. 2020; 9:4478–89.
Article
7. Bredlau AL, Thakur R, Korones DN, Dworkin RH. Ketamine for pain in adults and children with cancer: a systematic review and synthesis of the literature. Pain Med. 2013; 14:1505–17.
Article
8. Bell RF, Eccleston C, Kalso EA. Ketamine as an adjuvant to opioids for cancer pain. Cochrane Database Syst Rev. 2017; 6:CD003351.
Article