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Exogenous surfactant delivery techniques are continually being refined to improve the management of these infants, with the goal of increasing therapeutic efficacy and decreasing the invasiveness of delivery protocols. Imaging is one of the tools available to achieve these goals. In this study, we established and applied an magnetic resonance imaging (MRI) protocol in a rabbit animal model to determine the intrapulmonary distribution of surfactant solution administered by the clinical reference method. The protocol was applied to an ex\u00a0vivo model of isolated thorax from non\u2010valued food industry by\u2010products. 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