1. Pain prevalence during cancer treatment: a systematic review and meta-analysis;Evenepoel;JPSM,2022
2. Update on prevalence of pain in patients with cancer 2022: a systematic literature review and meta-analysis;Snijders;Cancers (Basel),2023
3. WHO guidelines for the use of analgesics in cancer pain;Ventafridda;Int J Tissue React,1985
4. Extended-release opioids in the management of cancer pain: a systematic review of efficacy and safety;Mesgarpour;Eur J Pain,2014
5. Transdermal fentanyl for cancer pain;Hadley;Cochrane Database Syst Rev,2013