Effects of BMSCs conditioned medium on ratio of MMP-9 to TIMP-1 in lung tissues of rats with pulmonary fibrosis induced by bleomycin
XIONG Jian-fei, LI Yan-qin, XU Jia-bo, et al
上海交通大学学报（医学版） . 2016, (2): 178 .  DOI: 10.3969/j.issn.1674-8115.2016.02.006