PT - JOURNAL ARTICLE AU - Beydon, Nicole AU - Marian, Iulia TI - Interrupter resistance and oxygen saturation for methacholine challenge in young children AID - 10.1183/23120541.00025-2015 DP - 2015 Oct 01 TA - ERJ Open Research PG - 00025-2015 VI - 1 IP - 2 4099 - http://openres.ersjournals.com/content/1/2/00025-2015.short 4100 - http://openres.ersjournals.com/content/1/2/00025-2015.full SO - erjor2015 Oct 01; 1