Bronchial ArteriesHemoptysisEmbolization, TherapeuticArteriovenous AnastomosisSmoke Inhalation InjuryArteriesPulmonary ArteryAngiographyArterio-Arterial FistulaPulmonary CirculationBronchiPolyvinyl AlcoholSplenic InfarctionMammary ArteriesSheep, DomesticBronchial NeoplasmsHemothoraxLung TransplantationAneurysmBronchiectasisPulmonary EmbolismAngiography, Digital SubtractionVentilation-Perfusion RatioTechnetium Tc 99m Aggregated AlbuminSodium Pertechnetate Tc 99m