TY  - RPRT
TI  - Automated liquid-liquid extraction and ion-exchange solid-phase extraction for initial purification.
AU  - Sean X Peng
AU  - Charles Henson
PY  - 2002
DO  - 10.1385/1-59259-285-6:227
UR  - https://pubmed.ncbi.nlm.nih.gov/12357929/
ID  - 12357929
ER  -