%0 Journal Article %T Developing a new sensitive solid-phase microextraction fiber based on carbon nanotubes for preconcentration of morphine %A B. Riahi‑Zanjani %A M. Balali‑Mood %A Asoodeh, Ahmad %A Z. Es’haghi %A A. Ghorani‑Azam %J Applied Nanoscience %@ 2190-5509 %D 2018