1. The Therapeutic Potential of Hyaluronan in COPD
Gerard M. Turino, MD, Shuren Ma, PhD, Yong Y. Lin, PhD, Jerome O. Cantor, MD 
CHEST 
Volume 153, Issue 4, Pages (April 2018)
DOI: /j.chest
Copyright © 2017 American College of Chest Physicians Terms and Conditions

2. Figure 1
The role of hyaluronan as a functional barrier for elastic fibers in alveoli.
CHEST  , DOI: ( /j.chest )
Copyright © 2017 American College of Chest Physicians Terms and Conditions