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<xml><bibliography><APA>Dirake Kaewprapha และผู้แต่งคนอื่นๆ. (2007) Effects of organic selenium supplement on selenium level in plasma, sperm morphology and sperm motility in dogs. Chulalongkorn University:ม.ป.ท.</APA><Chicago>Dirake Kaewprapha และผู้แต่งคนอื่นๆ. 2007. Effects of organic selenium supplement on selenium level in plasma, sperm morphology and sperm motility in dogs. ม.ป.ท.:Chulalongkorn University;</Chicago><MLA>Dirake Kaewprapha และผู้แต่งคนอื่นๆ.  Effects of organic selenium supplement on selenium level in plasma, sperm morphology and sperm motility in dogs.  ม.ป.ท.:Chulalongkorn University, 2007. Print.</MLA></bibliography></xml>
