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<xml><bibliography><APA>Metawee Srilaphan และผู้แต่งคนอื่นๆ. (2009) Modified chitosan to enhance mucoadhesive properties for gastrointestinal drug delivery system. Chulalongkorn University:ม.ป.ท.</APA><Chicago>Metawee Srilaphan และผู้แต่งคนอื่นๆ. 2009. Modified chitosan to enhance mucoadhesive properties for gastrointestinal drug delivery system. ม.ป.ท.:Chulalongkorn University;</Chicago><MLA>Metawee Srilaphan และผู้แต่งคนอื่นๆ.  Modified chitosan to enhance mucoadhesive properties for gastrointestinal drug delivery system.  ม.ป.ท.:Chulalongkorn University, 2009. Print.</MLA></bibliography></xml>
