PT - JOURNAL ARTICLE AU - R. Boffi AU - A. Ruprecht AU - R. Mazza AU - M. Ketzel AU - G. Invernizzi TI - A day at the European Respiratory Society Congress: passive smoking influences both outdoor and indoor air quality AID - 10.1183/09031936.06.00148505 DP - 2006 Apr 01 TA - European Respiratory Journal PG - 862--863 VI - 27 IP - 4 4099 - http://erj.ersjournals.com/content/27/4/862.short 4100 - http://erj.ersjournals.com/content/27/4/862.full SO - Eur Respir J2006 Apr 01; 27