Abstract
The importance of Healthy Lungs in the fight against COVID-19
. 2020 Sep;16(3):163ELF. doi: 10.1183/20734735.ELF163
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.