Neo-Polycin HC ophthalmic ointment. Perrigo. Accessed April 27, 2015 from http://www.perrigo.com/files/rx/pdfs/p353-RC4Y900J1.pdf
Neo-Polycin HC [Bacitracin zinc, hydrocortisone, neomycin sulfate, polymyxin B sulfate]. Micromedex System. Truven Health Analytics. Accessed 4/27/15 from http://www.thomsonhc.com/micromedex2/