title: Univentricular heart and supravalvular ring.
authors.forename: Gerardo
authors.initials: G
authors.lastname: Piacentini
authors.forename: Silvia
authors.initials: S
authors.lastname: Placidi
authors.forename: Bruno
authors.initials: B
authors.lastname: Marino
mesh_terms: D005355:Fibrosis; D006352:Heart Ventricles / Q000002:abnormalities*; D006801:Humans; D008943:Mitral Valve / Q000002:abnormalities* / Q000473:pathology; D014188:Transposition of Great Vessels / Q000175:diagnosis; D014261:Tricuspid Valve / Q000473:pathology