PT - JOURNAL ARTICLE AU - GK Crompton TI - New inhalation devices AID - 10.1183/09031936.93.01080679 DP - 1988 Aug 01 TA - European Respiratory Journal PG - 679--680 VI - 1 IP - 8 4099 - http://erj.ersjournals.com/content/1/8/679.short 4100 - http://erj.ersjournals.com/content/1/8/679.full SO - Eur Respir J1988 Aug 01; 1