Software Enhanced Learning of Cardiac Auscultation. - Zeeshan Syed; Dorothy Curtis; John V. Guttag; Francesca Nesta; Robert A. Levine (EMBC, 2006)

A Framework for the Analysis of Acoustical Cardiac Signals. - Zeeshan Syed; Daniel Leeds; Daniel Curtis; Francesca Nesta; Robert A. Levine; John V. Guttag (IEEE Trans. Biomed. Eng., 2007)