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\bibitem{2123} Carles Sanchez, Debora Gil, Antoni Rosell, Albert Andaluz, \& F. Javier Sanchez. (2013).<a target={\textquoteright}_blank{\textquoteright} href={\textquoteright}/files/SGR2013.pdf{\textquoteright}> "Segmentation of Tracheal Rings in Videobronchoscopy combining Geometry and Appearance "</a> In Sebastiano Battiato and Jos{\'e} Braz (Ed.), \textit{Proceedings of the International Conference on Computer Vision Theory and Applications} (Vol. 1, pp. 153--161). Portugal: SciTePress.

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