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\bibitem{2427} Mirko Arnold, Anarta Ghosh, Glen Doherty, Hugh Mulcahy, Stephen Patchett, \& Gerard Lacey. (2013). Towards Automatic Direct Observation of Procedure and Skill (DOPS) in Colonoscopy. In \textit{Proceedings of the International Conference on Computer Vision Theory and Applications} (pp. 48--53).

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