Dvortsin, Dima P., Ye, Qingsong, Pruim, Gerard J., Dijkstra, Pieter U., and Ren, Yijin (2011) Reliability of the integrated radiograph-photograph method to obtain natural head position in cephalometric diagnosis. Angle Orthodontist, 81 (5). pp. 889-894.

Xing , Q., de Vos, P., Faas, M.M., Ye, Q., and Ren, Y. (2011) LPS promotes pre-osteoclast activity by up-regulating CXCR4 via TLR-4. Journal of Dental Research, 90 (2). pp. 157-162.

Ye, Qingsong, Harmsen, Martin C., Ren, Yijin, and Bank, Ruud A. (2011) The role of collagen receptors Endo180 and DDR-2 in the foreign body reaction against non-crosslinked collagen and gelatin. Biomaterials, 32 (5). pp. 1339-1350.

Ye, Qingsong, Xing, Quan, Ren, Yijin, Harmsen, Martin C., and Bank , Ruud A. (2010) Endo180 and MT1-MMP are involved in the phagocytosis of collagen scaffolds by macrophages and is regulated by interferon-gamma. European Cells & Materials, 20. pp. 197-209.

Yu, Hongyou, Ren, Yijin, Sandham, Andrew, Ren, Aishu, Huang, Lan, and Bai, Ding (2009) Mechanical tensile stress effects on the expression of bone sialoprotein in bovine cementoblasts. Angle Orthodontist, 79 (2). pp. 346-352.

Tan, Lijun, Ren, Yijin, Wang, Jun, Jiang, Lingyong, Cheng, Hui, Sandham, Andrew, and Zhao, Zhihe (2009) Osteoprotegerin and ligand of receptor activator of nuclear factor: kappaB expression in ovariectomized rats during tooth movement. Angle Orthodontist, 79 (2). pp. 292-298.

Ren, Yijin, Boxum, Christo, and Sandham, Andrew (2009) Patient's perceptions, treatment need, and complexity of orthodontic re-treatment. European Journal of Orthodontics, 31 (2). pp. 189-195.

Boxum, S.C., Sandham, A., and Ren, Y. (2007) Orthodontic re-treatment. A qualitative study of patients. Nederlands Tijdschrift voor Tandheelkunde, 114 (2). pp. 63-68.