网站简介：Describes the effect of secondhand smoke on circulation and the heart, and provides a bibliography of relevant research.
网站简介：Characterizes the risk and provides a bibliography of the research literature that establishes the risk.
网站简介：Provides a bibliography of research on the effect of secondhand smoke on asthma, respiratory infections, and so on.
网站简介：Provides a bibliography of relevant research.
网站简介：Effect of prenatal and childhood exposure to secondhand smoke.
网站简介：Large list of links and resources compiled by an ex-smokers with COPD. Introduced by her own poem, the Smoker's Prayer.
网站简介：For-pay site, providing subscribers with information about tobacco.