TY - JOUR T1 - “Comparison between traditional and nontraditional add-on devices used with pressurised metered-dose inhalers”. Mina Nicola, Youssef M.A. Soliman, Raghda Hussein, Haitham Saeed and Mohamed Abdelrahim. <em>ERJ Open Res</em> 2020; 6: 00073-2020. JF - ERJ Open Research JO - erjor DO - 10.1183/23120541.50073-2020 VL - 7 IS - 3 SP - 50073-2020 A2 - , Y1 - 2021/07/01 UR - http://openres.ersjournals.com/content/7/3/50073-2020.abstract N2 - This article has been republished with a correction to the Discussion section. “Hence, using a drinking bottle … ER -