An eigth-week, multicentric, randomized, interventional, open-label, phase 4, parallel comparison of the efficacy and tolerability of the fixed combination of timolol maleate 0.5%/brimonidine tartrate 0.2% versus fixed combination of timolol maleate 0.5%/dorzolamide 2% in patients with elevated intraocular pressure - Hatanaka, Marcelo; Grigera, Daniel E; Barbosa, Wilma L; Jordão, Marcelo; Susanna Júnior, Remo (journal of glaucoma, 2008)