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.
(a) Rapid measurement of cyclosporine by automated PS-MS instrument. (b) Quantification was done by AUC method for each analyte, normalized by pre-spotted internal standard [13]. (c) Coupling of cocaine testing by PS-MS with silver-nitrate based fingerprints collecting. (d) Analyte to internal standard ratios for every finger of two participants that were seeking treatments at a rehabilitation center [12].
