Zioptan Ophthalmic Prescribing Information. Merck & Co., Inc. Accessed online 4/13/2016 from http://www.merck.com/product/usa/pi_circulars/z/zioptan/zioptan_pi.pdf
Tafluprost ophthalmic. Clinical Pharmacology Online 2016. Accessed 4/13/2016 from http://www.clinicalpharmacology.com.
Lexi-interact Online 2016. Accessed 4/13/2016 from http://www.uptodate.com