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<xml><bibliography><APA>Tinnakorn Tiensing. (1997) Sample handling of biological samples for gas chromatographic determination of organotin compounds. Mahidol University,:ม.ป.ท.</APA><Chicago>Tinnakorn Tiensing. 1997. Sample handling of biological samples for gas chromatographic determination of organotin compounds. ม.ป.ท.:Mahidol University,;</Chicago><MLA>Tinnakorn Tiensing.  Sample handling of biological samples for gas chromatographic determination of organotin compounds.  ม.ป.ท.:Mahidol University, 1997. Print.</MLA></bibliography></xml>
