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Workplace smoking restrictions in China: results from a six county survey
Ma, J., Apelberg, B. J., Avila-Tang, E., Yang, G., Ma, S., Samet, J. M., Stillman, F. A.Volume:
19
Language:
english
Journal:
Tobacco Control
DOI:
10.1136/tc.2009.034207
Date:
October, 2010
File:
PDF, 125 KB
english, 2010