TY  - RPRT
TI  - Chip-based solid-phase extraction pretreatment for direct electrospray mass spectrometry analysis using an array of monolithic columns in a polymeric substrate.
AU  - Aimin Tan
AU  - Salete Benetton
AU  - Jack D Henion
PY  - 2003
DO  - 10.1021/ac030196w
UR  - https://pubmed.ncbi.nlm.nih.gov/14710831/
ID  - 14710831
ER  -