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\bibitem{deBacker_etal2008} {\textquotedblleft}\textit{Flow analyses in the lower airways: patient-specific model and boundary conditions}{\textquotedblright}. de Backer JW, Vos WG, Gorl{\'e} CD, Germonpr{\'e} P, Partoens B, Wuyts FL, Parizel PM, de Backer W, Medical engineering and physics \textbf{30}, 872 (2008).   http://doi.org/10.1016/j.medengphy.2007.11.002

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