5Morris J, Dobson J. Small animal oncology[M]. Blacwell Science Ltd, 2001.
6Dobson JM, Samuel S, Milstein H, etal. Canine neoplasia in the UK estimates of incidence rates from a population of insured dogs[J]. Journal of Small Animal Practice, 2002, (43):240 - 246.
8Schmidt JM, North SM, Freeman KP, etal. Caninepaediatric oncology retrospective assesment of 9522 tumors in dogs up to 12 months(1993-2008)[J]. Veterinary and Comparative Oncology, 2010,(8):283 - 292.
9Ghisleni G, Roccabianca P, Ceruti R, etal. Correlation between fine-needle aspiration cytology and histopathology in the evaluation of cutaneous and subcutaneous masses from dogs and cats[J]. Veterinary Clinical Pathology. 2006,(35):28 - 30.
10Patnaik AK, Ehler WJ, MacEwen EG. Canine Cutaneous Mast Cell Tumor Morphologic Grading and Survival Time in 83 Dogs[J]. Veterinary Pathology, 1984, (21):469-474.