4Tomara T,Uchida Y,Mohri N,et al,Postinflammatory mitral and aortic valve prolapse:a clinical and pathological study.circulation.1987.76:68.
5Bisset GS 3d,Schwartz DC,Meyer RA,et al.Clinical spectrum and long-term follow up of isolated mitral Valve prplapse in 119 children.Circulation,1980,62:423.