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		Differential Induction of Bone Sialoprotein by Dexamethasone and Osteogenic Protein-1 (OP-1, BMP-7) in Rat Periodonatal Ligament Cells In Vitro Bakhyt D Zhumabayeva¹, Wen-Lang Lin¹, Pill-Hoon Choung¹, Hua-Hong Chien¹ Jaro Sodek², Kuber T Sampath³ and Moon-Il Cho1.*  International Journal of Oral Biology :: Vol.23 No.2 pp.91-101 
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