TY  - RPRT
TI  - Chemically modified polymeric sorbents for sample preconcentration.
AU  - M E León-González
AU  - L V Pérez-Arribas
PY  - 2000
DO  - 10.1016/s0021-9673(00)00942-0
UR  - https://pubmed.ncbi.nlm.nih.gov/11192161/
ID  - 11192161
ER  -