Experimental use of castor bean (Ricinus communis L.) oil derived polymer on lamellar, interlamellar and penetrating implants in rabbit´s cornea - Morales, Adriana; Barros, Paulo Sergio de Moraes; Barbieri Neto, José; Chierice, Gilberto Orivaldo; Claro Neto, Salvador; Migliati, Elton Rodrigues (Brazilian Journal of Veterinary Research and Animal Science, 2005)