Tissue doppler evaluation in english cocker spaniels with dilated cardiomyopathy - Zacche, E. [UNESP]; Gava, F. N. [UNESP]; Ortiz, E. M. G. [UNESP]; Champion, T. [UNESP]; Camacho, Aparecido Antonio [UNESP] (Wiley-Blackwell, 2011)