%0 Journal Article %T Plant Extract and Herbal Products as Potential Source of Sorbent for Analytical Purpose: An Experimental Study of Morphine and Codeine Determination Using HPLC and LC–MSMS %A Adel Ghorani-Azam %A Mahdi Balali-Mood %A Seyed-Mola Khatami %A Asoodeh, Ahmad %A Zarrin Eshaghi %A Bamdad Riahi-Zanjani %J Journal of Chromatographic Science %@ 0021-9665 %D 2021