Caso P, D'Andrea A, Trambaiolo P, Di Salvo G, Severino S, Caso I, Ancona R, Calabrò P, Mininni N, Calabrò R. Potential clinical perspectives of Doppler myocardial imaging and strain rate imaging during stress echocardiography. J Cardiovasc Med (Hagerstown). 2006 Jul;7(7):480–90. doi: 10.2459/01.jcm.0000234766.65830.1c. PMID: 16801809.