Application of Adsorptive Stripping Voltammetry for the Nano-Level Detection of Tramadol in biological Fluids and Tablets Using Fast Fourier Transform Continuous Cyclic Voltammetry at an Au Microelectrode in a Flowing System. Parviz Norouzi, Rassoul Dinarvand, Mohammad Reza Ganjali, Azam Sadat Emami. 2007