1. Prostaglandin E2 Exerts Catabolic Effects in Osteoarthritis Cartilage: Evidence for Signaling via the EP4 Receptor
   Mukundan Attur et al, 2008, The Journal of Immunology CrossRef
2. In Vitro Effects of VA441, a New Selective Cyclooxygenase-2 Inhibitor, on Human Osteoarthritic Chondrocytes exposed to IL-1^|^beta;
   Antonella Fioravanti et al, 2012, Journal of Pharmacological Sciences CrossRef