title: Quadricuspid aortic valve in transposition of the great arteries.
authors.affiliation: Department of Cardiothoracic Surgery, Leiden University Medical Centre, Leiden, The Netherlands.
authors.forename: Francisco A
authors.initials: FA
authors.lastname: Portela
authors.forename: Mark G
authors.initials: MG
authors.lastname: Hazekamp
authors.forename: Margot M
authors.initials: MM
authors.lastname: Bartelings
authors.forename: Adriana C
authors.initials: AC
authors.lastname: Gittenberger-De Groot
mesh_terms: D001021:Aortic Valve / Q000002:abnormalities*; D006330:Heart Defects, Congenital / Q000473:pathology; D006801:Humans; D014188:Transposition of Great Vessels / Q000473:pathology*