%0 Journal Article %T Pre-concentration of non-steroidal anti-inflammatory drugs in water using dispersive liquid–liquid and single-drop microextraction with high-performance liquid chromatography In %A Sarafraz Yazdi, Ali %A Assadi GhshlAgh Sofla, Hakimeh %A , %A -, - %J Journal of Separation Science %@ 1615-9306 %D 2012