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.
Schematic of the E-cig-Exposure Generation System (E-cig-EGS). E-cig-EGS (adapted from Zhao et al., 2016) for the generation, monitoring, sampling, and detailed physicochemical and toxicological characterization of real-world e-cig emissions.
