TY - RPRT TI - Polymer-coated fibrous extraction medium for sample preparation coupled to microcolumn liquid-phase separations. AU - Motohiro Imaizumi AU - Yoshihiro Saito AU - Makiko Hayashida AU - Tsutomu Takeichi AU - Hiroo Wada AU - Kiyokatsu Jinno PY - 2003 DO - 10.1016/s0731-7085(02)00522-8 UR - https://pubmed.ncbi.nlm.nih.gov/12485721/ ID - 12485721 ER -