%0 Generic %B Clin Ophthalmol %D 2011 %P 361-7 %R 10.2147/opth.s16888 %T Treatment persistence and cost-effectiveness of latanoprost/latanoprost-timolol, bimatoprost/bimatoprost-timolol, and travoprost/travoprost-timolol in glaucoma: an analysis based on the United Kingdom general practitioner research database %V 5