2Arnold IR, Hubner PJ,Firmin RK. Blood filled cyst of the papillary muscle of the mitral valve producing severe left ventricular outfiow tract obstruction. Br Heart J, 1990, 63:132-133.
3Kuvin J,Saha P, Rastegar H, et al. Blood cyst of the mitral valve ap- paratus in a woman with a history of orthotopic liver transplantation. J Am Soc Echocardiogr, 2004, 17:480-482.