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<xml><bibliography><APA>Uthaiwan Arayatrakoollikit และผู้แต่งคนอื่นๆ. (2007) Effect of thrombin and par-1 on OPG and RANKL expression in human periodontal ligament cells. Chulalongkorn University:ม.ป.ท.</APA><Chicago>Uthaiwan Arayatrakoollikit และผู้แต่งคนอื่นๆ. 2007. Effect of thrombin and par-1 on OPG and RANKL expression in human periodontal ligament cells. ม.ป.ท.:Chulalongkorn University;</Chicago><MLA>Uthaiwan Arayatrakoollikit และผู้แต่งคนอื่นๆ.  Effect of thrombin and par-1 on OPG and RANKL expression in human periodontal ligament cells.  ม.ป.ท.:Chulalongkorn University, 2007. Print.</MLA></bibliography></xml>
