G. Seifert, I. Krämer, F. Erdnüß, and W. Kamin, “Commentary on the Paper: Menon MD et al, Nebulized Glycopyrronium and Formoterol, Budesonide Aerosol Aerodynamic Assessment with Vibrating Mesh and Compressor Air Nebulizer: Anderson Cascade Impactor Study, JDDT, 2019; 9(6):79-82”, J. Drug Delivery Ther., vol. 10, no. 4-s, pp. X1-X2, Aug. 2020, doi: 10.22270/jddt.v10i4-s.4260.