Powell, Andrew J Aortopulmonary collaterals in single-ventricle congenital heart disease: how much do they count? [electronic resource] - Circulation. Cardiovascular imaging May 2009 - 171-3 p. digital Publication Type: Comment; Editorial ISSN: 1942-0080 Standard No.: 10.1161/CIRCIMAGING.109.873257 doi Subjects--Topical Terms: Aorta--physiopathologyBlood Flow VelocityBlood PressureCollateral CirculationFontan Procedure--adverse effectsHeart Bypass, Right--adverse effectsHeart Defects, Congenital--diagnosisHumansMagnetic Resonance AngiographyPredictive Value of TestsPulmonary Artery--physiopathologyPulmonary CirculationRegional Blood FlowTreatment OutcomeVascular Resistance