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. 2012 Jun 8;13(3):875–882. doi: 10.1208/s12249-012-9797-0

Table VI.

First Series of Assessments: Variation in Impactor-Measured MMAD from Cumulative APSD Data for DPI Inhaler “A”

Impactor Sample duration (s) MMAD (μm)
NGI 1 5.3
2 4.1
4 4.1
8 4.0
16 4.2
Referencea 4.1
ACI 1 3.5
2 3.6
4 3.6
8 3.7
16 3.6
Referencea 3.6

aSeven actuations from inhaler in accordance with standardized procedure in effect at GSK plc