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Patient-reported outcomes, postoperative pain and pain relief after day-case surgery (POPPY): chronic post-surgical pain prevalence and associations.
Brayne AB, Belete M, Daykin H, Everson M, Hare WM, Ratcliffe A, Sorrell L; POPPY study delivery group; Rockett M; Research and Audit Federation of Anaesthetists in Training. Brayne AB, et al. Anaesthesia. 2026 Apr;81(4):489-499. doi: 10.1111/anae.70092. Epub 2026 Jan 7. Anaesthesia. 2026. PMID: 41500204 Free PMC article.