TY  - RPRT
TI  - Multiple solid-phase microextraction.
AU  - E H Koster
AU  - G J de Jong
PY  - 2000
DO  - 10.1016/s0021-9673(00)00161-8
UR  - https://pubmed.ncbi.nlm.nih.gov/10843542/
ID  - 10843542
ER  -