%0 Journal Article %T Sensitivity Enhancement for Direct Injection Capillary Electrophoresis to Determine Morphine in Human Serum via In-capillary Derivatization %A Emara,, Samy %A Zarad,, Walaa %A Kamal,, Maha %A Ali,, Ahmed %A Aboulella,, Yasmine %J Journal of Chromatographic Science %V 57 %N 2 %@ 0021-9665 %D 2019-02-01 %I Oxford University Press %~ DeepDyve