TY - RPRT TI - High-performance polyethylene glycol-coated solid-phase microextraction fibers using sol-gel technology. AU - Z Wang AU - C Xiao AU - C Wu AU - H Han PY - 2000 DO - 10.1016/s0021-9673(00)00692-0 UR - https://pubmed.ncbi.nlm.nih.gov/11043596/ ID - 11043596 ER -