Exposure to secondhand smoke and cognitive impairment in non-smokers: national cross sectional study with cotinine measurement.
BMJ Publishing Group
To examine the association between a biomarker of exposure to secondhand smoke (salivary cotinine concentration) and cognitive impairment.
addresses: Department of Public Health and Primary Care, University of Cambridge, Cambridge CB2 2SR. email@example.com
notes: PMCID: PMC2643443
types: Journal Article; Multicenter Study; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't
Copyright © 2009 by the BMJ Publishing Group Ltd. This articles was first published in: BMJ, 2009, Vol. 338, pp. b462 -
BMJ, 2009, Vol. 338, pp. b462 -
Place of publication