Li H, Shi K, Zhao Y, Du J, Hu D, Liu Z. TIMP-1 and MMP-9 expressions in COPD patients complicated with spontaneous pneumothorax and their correlations with treatment outcomes: TIMP-1, MMP-9 and COPD. Pak J Med Sci [Internet]. 2019Dec.16 [cited 2024May1];36(2). Available from: https://pjms.org.pk/index.php/pjms/article/view/1244