TY JOUR TI Cross-linking new technologies application in the treatment of severe corneal pathologies of various etiologies in dogs and cats KW corneal collagen cross-linking KW corneal ulcers KW corneal melting KW keratectasis KW endothelial-epithelial corneal dystrophy KW riboflavin KW corneal transplantation KW dogs KW cats JO Russian veterinary journal AU Lukashina, U.E. AU Artyushina, Y.Y. PY 2021 IS 2021 PB Publishing house "Logos Press"