Kyei, S., G. A. Koffuor, E. O. Ameyaw, P. Ramkissoon, and D. Adu-Agyeman. “Self-Reported Adverse Reactions Associated With Topical Ophthalmic Medication Use: A Cross-Sectional Survey”. Drugs and Therapy Studies, vol. 4, no. 1, June 2014, doi:10.4081/dts.2014.5278.