[is it necessary to prohibit side-hole closure in use of the dry powder inhalers?]

CONCLUSION: SHC severely inhibited drug release from TBH, but almost no effects on DKS. Such negative effect was limited in usual use of EPT.
PMID: 30867367 [PubMed - in process]

Source: Arerugi - March 15, 2019 Category: Allergy & Immunology Authors: Kondo T, Tanigaki T, Hibino M, Tajiri S, Horiuchi S, Fukuda M, Ohbayashi H Tags: Arerugi Source Type: research