title: Quadricuspid aortic valve associated with hypoplastic aortic annulus.
authors: Section of Cardiac Surgery, Cardiac Thoracic and Vascular Department, University of Pisa Medical School, Pisa, Italy.
authors: Maria Grazia
authors: MG
authors: Croccia
authors: Francesca
authors: F
authors: Chiaramonti
authors: Stefano
authors: S
authors: Pratali
authors: Giovanni
authors: G
authors: Scioti
authors: Fabio
authors: F
authors: Guarracino
authors: Uberto
authors: U
authors: Bortolotti
mesh_terms: D000328:Adult; D001021:Aortic Valve / Q000002:abnormalities* / Q000601:surgery*; D002315:Cardiopulmonary Bypass; D004452:Echocardiography; D004562:Electrocardiography; D006350:Heart Valve Prosthesis; D019918:Heart Valve Prosthesis Implantation / Q000379:methods*; D006801:Humans; D008297:Male; D013536:Suture Techniques