PT - JOURNAL ARTICLE AU - Lockey, James E. AU - Hilbert, Timothy J. AU - LeMasters, Grace AU - Dunning, Kari K. AU - McKay, Roy T. AU - Levin, Linda S. AU - Rice, Carol H. TI - Respiratory follow-up pre- and post-engineering controls or cessation of added diacetyl at four microwave popcorn facilities AID - 10.1183/23120541.00042-2019 DP - 2019 Jul 01 TA - ERJ Open Research PG - 00042-2019 VI - 5 IP - 3 4099 - http://openres.ersjournals.com/content/5/3/00042-2019.short 4100 - http://openres.ersjournals.com/content/5/3/00042-2019.full SO - erjor2019 Jul 01; 5