Trusopt. Merck. Accessed July 29, 2015 from http://www.merck.com/product/usa/pi_circulars/t/trusopt/trusopt_pi.pdf
Dorzolamide. Micromedex Solutions. Truven Health Analytics. Accessed July 29, 2015 from http://www.micromedexsolutions.com/micromedex2/