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.
Deposition maps for different particle diameters (columns) as a function of different target clear air volume (tCAV) following a 9 s breath-hold (BH) maneuver (rows). Deposited particles are displayed in blue (exhaled particles are not shown). The direction of gravity is in the +z direction
