@article{029846221, title = "Absorption enhancers in nasal insulin delivery and their influence on nasal ciliary functioning", author = "Schipper, N.G.M. and Verhoef, J. and Romeijn, S.G. and Merkus, F.W.H.M.", year = "1992", journal = "Journal of Controlled Release", volume = "21", number = "1-3", pages = "173-186", issn = "0168-3659", doi = "10.1016/0168-3659(92)90019-n", url = "https://eurekamag.com/research/029/846/029846221.php" }