The Secreted Protein ANGPTL2 Promotes Metastasis of Osteosarcoma Cells Through Integrin α <sub>5</sub> β <sub>1</sub> , p38 MAPK, and Matrix MetalloproteinasesHaruki Odagiri, Yuichi Oike, Motoyoshi Endo et al.|Science Signaling|2014Cited by 133