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Dry powder inhalation: past, present and future.
de Boer AH, Hagedoorn P, Hoppentocht M, Buttini F, Grasmeijer F, Frijlink HW. de Boer AH, et al. Among authors: hoppentocht m. Expert Opin Drug Deliv. 2017 Apr;14(4):499-512. doi: 10.1080/17425247.2016.1224846. Epub 2016 Aug 30. Expert Opin Drug Deliv. 2017. PMID: 27534768 Review.
In vitro evaluation of the DP-4M PennCentury insufflator.
Hoppentocht M, Hoste C, Hagedoorn P, Frijlink HW, de Boer AH. Hoppentocht M, et al. Eur J Pharm Biopharm. 2014 Sep;88(1):153-9. doi: 10.1016/j.ejpb.2014.06.014. Epub 2014 Jun 30. Eur J Pharm Biopharm. 2014. PMID: 24993307