title: Histological and Ultrastructural findings of regressing canine transmissible venereal tumor after repeated transplantation.
mesh_terms: D000818:Animals; D004283:Dog Diseases / Q000473:pathology*; D004285:Dogs; D008214:Lymphocytes / Q000166:cytology; D008854:Microscopy, Electron; D009368:Neoplasm Transplantation; D014685:Venereal Tumors, Veterinary / Q000473:pathology* / Q000648:ultrastructure