Noise detection in heart sound recordings. - Mohammad K. Zia; Benjamin Griffel; Vladimir Fridman; Cesare Saponieri; John L. Semmlow (EMBC, 2011)

Path length entropy analysis of diastolic heart sounds. - Benjamin Griffel; Mohammad K. Zia; Vladimir Fridman; Cesare Saponieri; John L. Semmlow (Comput. Biol. Medicine, 2013)