1. A study of Kitab al-Hail wal-Baitar, written in the second half of the ninth century by Muhammed Ibn ahi Hizam;Erk;Hist Vet,1976
2. The incidence and pathology of tumours of domestic animals in South Africa;Jackson;Ondes J Vet Sci Anim Ind,1936
3. Equine sarcoids - part 1: clinical presentation and epidemiology;Bogaert;Vlaams Diergeneeskundig Tijdschrift,2008
4. A database survey of equine tumours in the United Kingdom;Knowles;Equine Vet J,2016
5. Cutaneous neoplastic lesions of equids in the central United States and Canada: 3,351 biopsy specimens from 3,272 equids (2000-2010);Schaffer;J Am Vet Med Assoc,2013