PT - JOURNAL ARTICLE AU - Katie J. Bayfield AU - Eric Alton AU - Samantha Irving AU - Andrew Bush AU - Jane C. Davies TI - Nitrogen offset in N<sub>2</sub> multiple washout method AID - 10.1183/23120541.00043-2020 DP - 2020 Jan 01 TA - ERJ Open Research PG - 00043-2020 VI - 6 IP - 1 4099 - http://openres.ersjournals.com/content/6/1/00043-2020.short 4100 - http://openres.ersjournals.com/content/6/1/00043-2020.full SO - erjor2020 Jan 01; 6