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.
Mouse groups treated with various exposure conditions
| Group | Composition | Exposure |
|---|---|---|
| Sham | Sham | Fresh conditioned air |
| 3R4F | 3R4F | Cigarette smoke (CS) from reference cigarette 3R4F |
| CARRIER | PG/VG | Humectants (propylene glycol (PG) and vegetable glycerin (VG)) aerosol |
| BASE | PG/VG/N | Humectants (PG/VG) and nicotine (N) aerosol |
| TEST | PG/VG/N/F | Humectants (PG/VG), nicotine (N), and flavors (F) aerosol |
