TY  - RPRT
TI  - Direct Sampling and Analysis from Solid Phase Extraction Cards using an Automated Liquid Extraction Surface Analysis Nanoelectrospray Mass Spectrometry System
AU  - Walworth, Matthew J
AU  - ElNaggar, Mariam S
AU  - Stankovich, Joseph J
AU  - WitkowskiII, Charles E.
AU  - Norris, Jeremy L
AU  - Van Berkel, Gary J
PY  - 2011
DO  - 10.1002/rcm.5132
UR  - https://www.osti.gov/biblio/1081745
ID  - 1081745
ER  -