1. Diseases of the nictitating membrane of the dog;Barnett;J. Small Anim. Pract.,1978
2. Ocular tumors in domestic animals;Blodi;Am. J. Ophthalmol.,1967
3. Prognostic factors and survival of horses with ocular/adnexal squamous cell carcinoma: 147 cases (1978-1988);Dugan;J. Am. Vet. Med. Assoc.,1991
4. Evaluation of tear formation in the dog, using a modification of the Schirmer tear test;Gellatt;J. Am. Vet. Med. Assoc.,1975