Inhalers and nebulizers: basic principles and preliminary measurementsOndrej Misik, Frantisek Lizal, Vahid Farhikhteh Asl, Miloslav Belka, Jan Jedelsky, Jakub Elcner and Miroslav JichaEPJ Web Conf., 180 (2018) 02068DOI: https://doi.org/10.1051/epjconf/201818002068