Department of Surgery;
School of Veterinary Medicine and Animal Science;
University of Sao Paulo;
Sao Paulo;
Brazil;
Department of Biostatistics and Scientific Method;
School of Dentistry;
Sao Paulo State University;
Araraquara;
Brazil;
Department of Animal Pathology;
School of Veterinary Medicine and Animal Science;
University of Sao Paulo;
Sao Paulo;
Brazil;
Canine; Spleen; Angiogenesis; Hemangiosarcoma; Immunohistochemistry; Vascular Endothelial Growth Factor;