1. Diagnostic ophthalmology. Right corneal foreign body, secondary ulcerative keratitis, and anterior uveitis;Cullen CL;Can Vet J,2005
2. Cactus‐induced keratoconjunctivitis in Texas: A case series of three dogs and one cat
3. Organic corneal foreign bodies in the dog;Gelatt KN;Vet Med Small Anim Clin,1974
4. Conjunctival and corneal foreign bodies;Rebhun WC;Vet Med Small Anim Clin,1973
5. Corneal and anterior segment foreign body trauma in dogs: a review of 218 cases