Cite

    N Giatrakos et al.. “Cardiac tissue velocities and strain rate in the early detection of myocardial dysfunction of asymptomatic boys with Duchenne's muscular dystrophy: relationship to clinical outcome.” Heart, vol. 92, no. 6, 2006, pp. 840–842. http://access.bl.uk/ark:/81055/vdc_100135127862.0x00000f