Rhee, D. J., Peace, J. H., Mallick, S., Landry, T. A., & Bergamini, M. V. (2008). A study of the safety and efficacy of travoprost 0.004%/timolol 0.5% ophthalmic solution compared to latanoprost 0.005% and timolol 0.5% dosed concomitantly in patients with open-angle glaucoma or ocular hypertension. Dove Medical Press.

Rhee, Douglas J., James H. Peace, Sushanta Mallick, Theresa A. Landry, and Michael VW Bergamini. A Study of the Safety and Efficacy of Travoprost 0.004%/timolol 0.5% Ophthalmic Solution Compared to Latanoprost 0.005% and Timolol 0.5% Dosed Concomitantly in Patients With Open-angle Glaucoma or Ocular Hypertension. Dove Medical Press, 2008.

Rhee, Douglas J., et al. A Study of the Safety and Efficacy of Travoprost 0.004%/timolol 0.5% Ophthalmic Solution Compared to Latanoprost 0.005% and Timolol 0.5% Dosed Concomitantly in Patients With Open-angle Glaucoma or Ocular Hypertension. Dove Medical Press, 2008.