title: Congenitally quadricuspid aortic valve: analysis of six necropsy patients.
authors.affiliation: Pathology Branch, National Heart, Lung, and Blood Institute, Bethesda, Maryland 20892.
authors.forename: D J
authors.initials: DJ
authors.lastname: Fernicola
authors.forename: J M
authors.initials: JM
authors.lastname: Mann
authors.forename: W C
authors.initials: WC
authors.lastname: Roberts
mesh_terms: D000368:Aged; D001021:Aortic Valve / Q000002:abnormalities*; D001022:Aortic Valve Insufficiency / Q000151:congenital / Q000473:pathology; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged