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Walker SM, Selers EL, Jay MA; Great Ormond Street Hospital Inpatient Pain Service.Walker SM, et al.Paediatr Anaesth. 2022 Jan;32(1):17-34. doi: 10.1111/pan.14324. Epub 2021 Nov 11.Paediatr Anaesth. 2022.PMID: 34731511Review.