P. S. de M. Barros, A. M. de V. Safatle, and M. Rigueiro, “Experimental lamellar corneal graft in dogs using preserved equine pericardium”, Braz. J. Vet. Res. Anim. Sci., vol. 36, no. 6, pp. 304–307, Jan. 1999, doi: 10.1590/S1413-95961999000600005.