Chemoresistance Cytological Score for Canine Transmissible Venereal Tumour: A Proposed System of Predicting Vincristine Resistance. - Pimentel PAB; Costa MP; de Oliveira IMS; Oliveira AR; Paes PRO; Pereira AW; de Oliveira CSF; Horta RDS (Veterinary and comparative oncology, 2025)