Identification of Histopathological Criteria for the Diagnosis of Canine Cutaneous Progressive Angiomatosis oleh Francesca Abramo, Marta Vascellari, Giada Colzi, Luca Pazzini, Francesco Albanese, Lara Olivieri, Claudia Zanardello, Claudia Salvadori, Giancarlo Avallone, Paola Roccabianca