[1]
J. C. R., D. R. N., and S. B. L., “Efficacy and safety of topical BAK-free travoprost 0.004% versus BAK-preserved travoprost 0.004% in the treatment of primary open angle glaucoma: a comparative study at a tertiary care hospital”, Int J Basic Clin Pharmacol, vol. 6, no. 9, pp. 2199–2205, Aug. 2017.