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.
Typical mass spectra from lung cancer patients (a) and controls (b) by direct infusion triple quadrupole time-of-flight mass spectrometry in bronchoalveolar lavage fluid for the detection of metabolite expressions. Reprinted from [73] with permission from Elsevier.
