@misc{indiciae33698cb74620,
  title = {Direct Sampling and Analysis from Solid Phase Extraction Cards using an Automated Liquid Extraction Surface Analysis Nanoelectrospray Mass Spectrometry System},
  author = {Walworth, Matthew J and ElNaggar, Mariam S and Stankovich, Joseph J and WitkowskiII, Charles E. and Norris, Jeremy L and Van Berkel, Gary J},
  year = {2011},
  doi = {10.1002/rcm.5132},
  url = {https://www.osti.gov/biblio/1081745},
  note = {Source identifier: 1081745}
}