[1. Goldschmidt M, Dunstan R, Stannard A, von Tscharner C, Walder E, Yager, J: Histologic Classifi cation of Tumors of the Skin of Domestic Animals, World Health Organization International Classifi cation of Tumors of Domestic Animals, Second Series, Vol III, Washington, D.C., Armed Forces Institute of Pathology, American Registry of Pathology, 1998.]Search in Google Scholar
[2. Schwegler K., Walter J, Rudolph, R: Epithelial neoplasms of the skin, the cutaneous mucosa ant the transitional epithelium in dogs: an immunolocalization study for papilomavirus antigen. Zentral Vetertinarmed A 1997, 44:115-123, 1997.]Search in Google Scholar
[3. Goldschmidt M, Shofer F: Squamous cell carcinoma. In: Skin Tumours of Dogs and Cat. Oxford, Reed Educational and Professional Publishing Ltd, 1998.]Search in Google Scholar
[4. Goldschmidt, M, Goldschmidt K: In: Tumors in Domestic Animals, 5 th Edition, John Wiley & Sons 2017, 88-142.10.1002/9781119181200.ch4]Search in Google Scholar
[5. Theon A, Madewell B, Shearn, V: Prognostic factors assosiated with radiotherapy of squamous cell carcinoma of the nasal plane in cats. J Am Vet Med Assoc 1995, 196:991-996.]Search in Google Scholar
[6. Simeonov R, Simeonova G: Computer-assisted nuclear morphometry in the cytological evaluation of canine perianal adenocarcinomas. J Comp Pathol 2008, 139:226-230.10.1016/j.jcpa.2008.07.00418822421]Search in Google Scholar
[7. Simeonov R, Simeonova G: Nucleomorphometric analysis of feline basal cell carcinomas. Res Vet Sci 2008, 84:440-443.10.1016/j.rvsc.2007.06.01217706734]Search in Google Scholar
[8. Simeonov R, Simeonova G: Comparative morphometric analysis of recurrent and nonrecurrent canine basal cell carcinomas: a preliminary report. Vet Clin Pathol 2010, 39:96-98.10.1111/j.1939-165X.2009.00173.x19645743]Search in Google Scholar
[9. Simeonov R, Simeonova G: Prognostic value of nuclear morphometry in spontaneous canine sebaceous carcinomas: a preliminary report. Comp Clin Pathol 2010, 19:405-408.10.1007/s00580-009-0953-1]Search in Google Scholar
[10. Simeonov R, Simeonova G: Nuclear cytomorphometry in feline mammary gland epithelial tumours. Vet J 2009, 179:296-300.10.1016/j.tvjl.2007.09.00317959399]Search in Google Scholar
[11. Strefezzi RF, Xavier JG, Kleeb SR, Catao-Dias JL: Nuclear morphometry in cytopathology: a prognostic indicator for canine cutaneous mast cell tumors. J Vet Diagn Invest 2009, 21:821-825.10.1177/10406387090210060819901282]Search in Google Scholar
[12. Neto RT, Pinczowski P, Rahal SC, Kitchell BE, Amorim RL: Cytoplasmic and nuclear morphometric parameters in cytologic preparations of canine cutaneous mast cell tumors. Braz J Vet Pathol 2010, 3:93-99.]Search in Google Scholar
[13. Simeonov R: Nuclear morphometry in relation to metastases in canine cutaneous squamous cell carcinomas: TJS 2010, 8 (1):74-78.]Search in Google Scholar
[14. Simeonov R: Nuclear morphometry in relation to tumor grade in canine spontaneous cutaneous squamous cell carcinomas. Turk J Vet Anim Sci 2009, 33:439-442.10.3906/vet-0805-18]Search in Google Scholar