1. Evaluation of inflammatory markers interleukin-6 (IL-6) and matrix metalloproteinase-9 (MMP-9) in asthma
   Srilata Puru Naik et al, 2017, Journal of Asthma CrossRef
2. Increased Ratio of Matrix Metalloproteinase-9 (MMP-9)/Tissue Inhibitor Metalloproteinase-1 from Alveolar Macrophages in Chronic Asthma with a Fast Decline in FEV1 at 5-Year Follow-up
   Fu-Tsai Chung et al, 2019, Journal of Clinical Medicine CrossRef
3. Association of Matrix Metalloproteinase 9 (MMP-9) Polymorphisms with Asthma Risk: A Meta-Analysis
   Fenfang Zou et al, 2019, Canadian Respiratory Journal CrossRef
4. MATRIX METALLOPROTEINASES AS MARKERS OF RESPIRATORY TRACT REMODELING AND POTENTIAL THERAPEUTIC TARGET IN PATIENTS WITH BRONCHIAL ASTHMA
   Vladyslava V. Kachkovska, 2021, Eastern Ukrainian Medical Journal CrossRef