Article info
Research paper
Exposure to different sources of second-hand smoke during pregnancy and its effect on urinary cotinine and tobacco-specific nitrosamine (NNAL) concentrations
- Correspondence to Dr Constantine I Vardavas, Center for Global Tobacco Control, Department of Society, Human Development and Health, Harvard School of Public Health, Boston, Massachusetts, USA; vardavas{at}hsph.harvard.edu
Citation
Exposure to different sources of second-hand smoke during pregnancy and its effect on urinary cotinine and tobacco-specific nitrosamine (NNAL) concentrations
Publication history
- Received July 15, 2011
- Accepted December 19, 2011
- First published January 17, 2012.
Online issue publication
May 13, 2016
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