Early proliferation changes and differences of gene expression in human periodontal ligament fibroblasts subjected to tensile and compressive stress
Fan Xiaofeng1, Wang Yu2,3, Li Yu4,5, Zhao Zhihe4,5.
West China Journal of Stomatology . 2012, (5): 463 -467 .  DOI: 10.3969/j.issn.1000-1182.2012.05.004