Omer, H. K., Husein, N. R. and Hamadameen, H. A. (2019) “Comparison between the next generation impactor and the twin glass impinge as model pulmonary drug delivery devices”, Zanco Journal of Medical Sciences (Zanco J Med Sci), 23(1), pp. 74–80. doi: 10.15218/zjms.2019.010.