Effects of benzalkonium chloride (BAK)-free travoprost eye drops on dry eye symptoms and tear film functions in glauco-matous patients
TAO Yuan1, LIU Ying2
Ophthalmology in China . 2015, (3): 153 -155 .  DOI: 10.13281/j.cnki.issn.1004-4469.2015.03.004