Barros, P.S. de M., Safatle, A.M.V. and Rigueiro, M. (1997) “Use of horse pericardium preserved in glycerin as corneal graft in dogs. Experimental study”, Brazilian Journal of Veterinary Research and Animal Science, 34(3), pp. 138–141. doi:10.11606/issn.2318-3659.v34i3p138-141.