Popcock, W.A. , and Barlow, J.B.: Etiology and electrocardiographic features of the billowing posterior mitral leaflet syndrome. Am. J. Med., 51: 731-738, 1971.
3.
Barlow, J.B. , Bosman, C.K., Popcock, W.A., and Marchand , P.: Late systolic murmurs and non-ejection (mid-late) systolic clicks. Br. Heart J. , 30: 203-218, 1968.
4.
Hancock, E.W. , and Cohn, K.: The syndrome associated with midsystolic click and late systolic murmur. Am. J. Med.41: 183-196, 1966.
5.
Gooch, A.S., Vicencio, F., Maranhao, V., and Goldberg, H.: Arrhythmias and left ventricular asynergy in the prolapsing mitral leaflet syndrome. Am. J. Cardiol.29: 611-630, 1972.
6.
Read, R.C., Thal, A.P., and Wendt, V.E.: Symptomatic valvular myxomatous transformation (the floppy valve syndrome): A possible forme fruste of the Marfan syndrome. Circulation , 32: 897-910, 1965.
7.
Silverman, M.E. , and Hurst, J.W.: The mitral complex. Am. Heart J., 76: 399-418, 1968.
8.
Davis, R.H., Schuster, B., Knoebel, S.B., and Fisch, C.: Myxomatous degeneration of the mitral valve. Am. J. Cardiol.28: 449-455, 1971.
9.
Trent, J.K., Adelman, A.G., Wigle, E.D., and Silver, M.D.: Morphology of a prolapsed posterior mitral valve leaflet. Am. Heart J., 79: 539-543, 1970.
10.
Bowers, D.: Pathogenesis of primary abnormalities of the mitral valve in Marfan's syndrome . Br. Heart J., 31: 679-683, 1969.
11.
Criley, J.M. , Lewis, K.B., Humphries, J.O., and Ross, R.S.: Prolapse of the mitral valve: Clinical and cine-angiographic findings. Br. Heart J., 28: 488-496, 1966.
12.
Kittredge, R.D., Shimomura, S., Cameron, A., and Bell, A.L.: Prolapsing mitral valve leaflets: Cine-angiographic demonstration. Am. J. Roentegenol., 109: 84-93, 1970.
13.
Sloman, G., Wong, M., and Walker, J.: Arrhythmias on exercise in patients with abnormalities of the posterior leaflet of the mitral valve. Am. Heart J., 83: 312-317, 1972.
14.
Popcock, W.A. , and Barlow, J.B.: Postexercise arrhythmias in the billowing posterior mitral leaflet syndrome. Am. Heart J., 80: 740-745, 1970.
15.
Kerber, R.E. , Isaeff, D.M., and Hancock, E.W.: Echocardiographic patterns in patients with the syndrome of systolic click and late systolic murmur. N. Engl. J. Med., 284: 691-693, 1971.
16.
Dillon, J.C. , Haine, C.L., Chang, S., and Feigenbaum , H.: Use of echocardiography in patients with prolapsed mitral valve. Circulation, 63: 503-507, 1971.
17.
Joyner, C.R.: Ultrasound in the Diagnosis of Cardiovascular-Pulmonary Disease, pp. 28-30. Year-Book Medical Publishers, Chicago, 1974 .
18.
Towne, W.D. , Rahimtoola, S.H., Rosen, K.M., Loeb, H.S., and Gunnar, W.M.: The apexcardiogram in patients with systolic prolapse of the mitral valve. Chest, 63: 569-572, 1973.
19.
Benchimol, A., Harris, C.L., and Desser, K.B.: Midsystolic carotid pulse wave retraction in subjects with prolapsed mitral valve leaflets. Chest, 62: 614-615, 1972.
20.
Stannard, M. , Sloman, J.G., Hare, W.S., and Goble, A.J.: Prolapse of the posterior leaflet of the mitral valve: A clinical familial, and cineangiographic study. Br. Med. J., 3: 71-74, 1967.
21.
Barlow, J.B. , and Bosman, C.K.: Aneurysmal protrusion of the posterior leaflet of the mitral valve: An auscultatory electrocardiographic syndrome . Am. Heart J.71: 166-178, 1966.
