Smoking on both sides of the pacific: home smoking restrictions and secondhand smoke exposure among Korean adults and children in Seoul and California.
Ayers JW, Hofstetter CR, Hughes SC, Park H, Paik HY, Irvin VL, Lee J, Juon HS, Latkin C, Hovell MF. Smoking on both sides of the pacific: home smoking restrictions and secondhand smoke exposure among Korean adults and children in Seoul and California. Nicotine Tob Res. 2010 Nov; 12(11):1142-50.