Workplace smoking policies in the United States: results from a national survey of more than 100,000 workers
Gerlach, K. K., Shopland, D. R., Hartman, A. M., Gibson, J. T., Pechacek, T. F.Volume:
6
Language:
english
Journal:
Tobacco Control
DOI:
10.1136/tc.6.3.199
Date:
September, 1997
File:
PDF, 1.93 MB
english, 1997