PT - JOURNAL ARTICLE AU - Elizabeth R. Salamon AU - Kevin R. Gain AU - Graham L. Hall TI - Is twice the duration of washout sufficient time between multiple breath nitrogen washout tests? AID - 10.1183/13993003.02064-2016 DP - 2017 Feb 01 TA - European Respiratory Journal PG - 1602064 VI - 49 IP - 2 4099 - http://erj.ersjournals.com/content/49/2/1602064.short 4100 - http://erj.ersjournals.com/content/49/2/1602064.full SO - Eur Respir J2017 Feb 01; 49