1. 1) Parwis, M., Surreya, M. C., Matthias, T. et al.: Antiphospholipid syndrome in cardiac surgery—an underestimated coagulation disorder? Eur. J. Cardio-thorac. Surg. 28: 133-137, 2005.
2. 3) Gerard, J. M. and Gregory, M. H.: Double valve replacement in a patient with anticardiolipin antibody syndrome. Perfusion 14: 397-401, 1999.
3. 4) Hasegawa, R., Kitahara, H., Watanabe, K. et al.: Mitral stenosis and regurgitation with systemic lupus erythematous and antiphospholipid antibody syndrome. Jpn. J. Thorac. Cardiovasc. Surg. 49: 711-713, 2001.
4. 5) Kato, Y., Isobe, F., Sasaki, Y. et al.: Mitral insufficiency associated with primary antiphospholipid syndrome and chronic renal failure. Jpn. J. Thorac. Cardiovasc. Surg. 49: 171-174, 2001.