List of Articles Biological sample Open Access Article Abstract Page Full-Text 1 - Spectrophotometric Determination of Mefenamic Acid in Biological Samples Using Magnetic Iron Oxide Nanoparticles as a Sorbent for Solid Phase Extraction Ali Niazi Mahtab D. Torkman Neda Khorshidi 10.22034/jna.2015.02.002