PT - JOURNAL ARTICLE AU - SP Newman TI - Metered dose pressurized aerosols and the ozone layer AID - 10.1183/09031936.93.03050495 DP - 1990 May 01 TA - European Respiratory Journal PG - 495--497 VI - 3 IP - 5 4099 - http://erj.ersjournals.com/content/3/5/495.short 4100 - http://erj.ersjournals.com/content/3/5/495.full SO - Eur Respir J1990 May 01; 3