Figure 1.
Scatter plot of exhaled carbon monoxide concentrations versus salivary cotinine concentrations measured by liquid chromatography/tandem mass spectrometry (LC/MS/MS) for incarcerated men excluding users of smokeless tobacco (r = .8310).
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.