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. 2020 May 25;8(6):E701–E707. doi: 10.1055/a-1135-8681

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Fig. 3 — Forest plot comparing polyp detection rate in PS versus OBS group. a Overall. b Fentanyl/midazolam combination. C.I, confidence interval; PS, propofol sedation; OBS, opioid/benzodiazepine sedation; Trt, PS group; Ctrl, OBS group).