TY - RPRT TI - Electrochemically controlled solid-phase microextraction based on conductive polypyrrole films. AU - Jingcun Wu AU - W M Mullett AU - Janusz Pawliszyn PY - 2002 DO - 10.1021/ac025595q UR - https://pubmed.ncbi.nlm.nih.gov/12349995/ ID - 12349995 ER -