Koll, S, Enache, A-E, Fenollosa-Romero, E, Chang, Y M, Busse, C, Oliver, J, Dawson, C, Matas Riera, M, "Visual outcome following phacoemulsification in English Cocker Spaniels with suspected progressive retinal atrophy: A retrospective multicenter study of 54 cases (2002-2017)", Veterinary Ophthalmology, 2019