Concentration of matrix metalloproteinase-9, tissue inhibitors of matrix metalloproteinase-1 in the tear of visual display terminal workers
FAN Yuan-yuan1, RUAN Yu-xia2, YANG Xin1
Ophthalmology in China . 2015, (3): 156 -160 .  DOI: 10.13281/j.cnki.issn.1004-4469.2015.03.005