title: [Three cases of congenital quadricuspid aortic valve].
authors.affiliation: Email: wumanli2@163.com.
authors.forename: Manli
authors.initials: M
authors.lastname: Wu
authors.forename: Renpin
authors.initials: R
authors.lastname: Zhang
mesh_terms: D001021:Aortic Valve; D001022:Aortic Valve Insufficiency / Q000151:congenital*; D000082882:Bicuspid Aortic Valve Disease; D006330:Heart Defects, Congenital; D006349:Heart Valve Diseases; D006801:Humans