APA (7th ed.) Citation
(2013). Sputum matrix metalloproteinase-9 is associated with the degree of emphysema on computed tomography in COPD. Translational Respiratory Medicine.
Chicago Style (17th ed.) Citation
"Sputum Matrix Metalloproteinase-9 Is Associated with the Degree of Emphysema on Computed Tomography in COPD." Translational Respiratory Medicine 2013.
MLA (9th ed.) Citation
"Sputum Matrix Metalloproteinase-9 Is Associated with the Degree of Emphysema on Computed Tomography in COPD." Translational Respiratory Medicine, 2013.
Warning: These citations may not always be 100% accurate.