TY - RPRT TI - Highly porous solid-phase microextraction fiber coating based on poly(ethylene glycol)-modified ormosils synthesized by sol-gel technology. AU - Raquel Gomes da Costa Silva AU - Fabio Augusto PY - 2005 DO - 10.1016/j.chroma.2004.11.027 UR - https://pubmed.ncbi.nlm.nih.gov/15881453/ ID - 15881453 ER -