1. American Journal of Medicine, 51, 456.
2. Crescendo presystolic murmur of mitral stenosis with atrial fibrillation;Criley, J.M.; Hermer, A.J.;New England Journal of Medicine,(197I).
3. The physiologic third heart sound: its mechanism and relation to protodiastolic gallop;Dock, W.; Grandell, F.; Taubman, F.;American Heart Journal,1955
4. Ultrasoundcardiography in mitral valve stenosis;Edler, I.;American Journal of Cardiology,1967
5. Article IV. A short account of cardiac murmurs. Being a portion of a lecture on 'Modem Cardiac Pathology and Diagnosis';Gairdner, W.T.;delivered before the Royal College of Physicians of Edinburgh. Edinburgh Medical Journal,(i86i).