%0 Journal Article %T Online Pre-Column Derivatization with Chromatographic Separation to Determine Folic Acid %A Emara, Samy %A Masujima, Tsutomu %A Zarad, Walaa %A Kamal, Maha %A EI-Bagary, Ramzia %J Journal of Chromatographic Science %V 51 %N 6 %P 544-551 %@ 0021-9665 %D 2013-07-24 %I Oxford University Press %~ DeepDyve