title: Letter: Floppy mitral-valve syndrome.
mesh_terms: D006344:Heart Septal Defects, Atrial / Q000150:complications* / Q000503:physiopathology; D006801:Humans; D008944:Mitral Valve Insufficiency / Q000150:complications* / Q000503:physiopathology; D010701:Phonocardiography; D013577:Syndrome