An official website of the United States government
Here's how you know
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
In vitro NGI deposition of spray-dried Shuang-Huang-Lian corrugated particles containing different constituent composition blended with lactose carrier after dispersed at 60 L/min using a Cyclohaler (mean ± SD, n = 3)