[Floppy valve syndrome--a clinicopathological analysis of 16 cases].
D000293:Adolescent; D000328:Adult; D001022:Aortic Valve Insufficiency / Q000473:pathology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D008944:Mitral Valve Insufficiency / Q000473:pathology*; D008945:Mitral Valve Prolapse / Q000473:pathology*; D013577:Syndrome