Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) M.P. Timsina and G.P. Martin and C. Marriott and D. Ganderton and M. Yianneskis,Drug delivery to the respiratory tract using dry powder inhalers,International Journal of Pharmaceutics,0378-5173,Elsevier BV,1994-01,101,1-2,1-13,https://cir.nii.ac.jp/crid/1363670318961574784,https://doi.org/10.1016/0378-5173(94)90070-1