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National Audit of Small Bowel Obstruction Steering Group and National Audit of Small Bowel Obstruction Collaborators; NASBO Steering Group; NASBO Collaborators; West Midlands Research Collaborative.National Audit of Small Bowel Obstruction Steering Group and National Audit of Small Bowel Obstruction Collaborators, et al.BJS Open. 2020 Oct;4(5):924-934. doi: 10.1002/bjs5.50315. Epub 2020 Jul 10.BJS Open. 2020.PMID: 32648645Free PMC article.