Assessing secondhand smoke exposure with reported measures
Erika Avila-Tang, Jessica L Elf, K Michael Cummings, Geoffrey T Fong, Melbourne F Hovell, Jonathan D Klein, Robert McMillen, Jonathan P Winickoff, Jonathan M Samet
Tobacco Control May 2013, 22 (3) 156-163; DOI: 10.1136/tobaccocontrol-2011-050296