PT - JOURNAL ARTICLE AU - C. J. Brown TI - Secondhand smoke, firsthand heart disease DP - 1997 Aug 01 TA - Canadian Medical Association Journal PG - 241--241 VI - 157 IP - 3 4099 - http://www.cmaj.ca/content/157/3/241.1.short 4100 - http://www.cmaj.ca/content/157/3/241.1.full SO - CMAJ1997 Aug 01; 157