title: Usefulness of a Z-score of E' versus raw E' velocities to detect left ventricular dysfunction in patients with mitral or aortic regurgitation or dilated cardiomyopathy.
authors.affiliation: International Centre for Circulatory Health, Imperial College National Health Service Trust, St. Mary's Hospital and National Heart and Lung Institute, London, UK. hemang.yadav04@imperial.ac.uk
authors.forename: Hemang
authors.initials: H
authors.lastname: Yadav
authors.forename: Beth
authors.initials: B
authors.lastname: Unsworth
authors.forename: Katharine
authors.initials: K
authors.lastname: Medlow
authors.forename: Resham
authors.initials: R
authors.lastname: Baruah
authors.forename: Balvinder S
authors.initials: BS
authors.lastname: Wasan
authors.forename: Jamil
authors.initials: J
authors.lastname: Mayet
authors.forename: Darrel P
authors.initials: DP
authors.lastname: Francis