TY  - RPRT
TI  - High extraction efficiency fiber coated with calix[4] open-chain crown ether for solid-phase microextraction of polar aromatic and aliphatic compounds.
AU  - Mingming Liu
AU  - Zhaorui Zeng
AU  - Yun Lei
AU  - Haibing Li
PY  - 2005
DO  - 10.1002/jssc.200500049
UR  - https://pubmed.ncbi.nlm.nih.gov/16342796/
ID  - 16342796
ER  -