ROHIL, V.; VIJAYAN, V.; KUMAR, R.; JOSHI, R.; PAVANI, P.; PAUL, S.; SHARMA, A.; RAHMAN, M. A study on the correlation of matrix metalloproteinase MMP1 in COPD and smoking in the North Indian population. Asian Journal of Medical Sciences, v. 8, n. 1, p. 5-14, 3 jan. 2017.