Concept Order:
1
Concept Name:
Air
Feature Order:
2
Feature Name:
Smoking ban
Formatted Citation:
U.S. Environmental Protection Agency. Indoor Air Pollution: An Introduction for Health Professionals. http://www.epa.gov/iaq/pubs/hpguide.html. Updated July 3, 2012. Accessed April 22, 2015.
Is concept reference?:
0