%0 Journal Article %T Determination of non-steroidal anti-inflammatory drugs in water samples by solid-phase microextraction based sol–gel technique using poly(ethylene glycol) grafted multi-walled carbon nanotubes coated fiber %A Sarafraz Yazdi, Ali %A Amiri, Amir Hassan %A Ronaghi, Gholam Hossein %A Eshtiagh Hosseini, Hossein %J Analytica Chimica Acta %@ 0003-2670 %D 2012