Period 2 (PER-2) biologic profile in advanced colorectal cancer (ACC) patients (pts). Association of cyclin D2 downregulation with adverse prognostic factors and survival: Analysis of D-type cyclins, ...

Warfarin is a derivative of coumarin which interferes with the cyclic interconversion of vitamin K and its epoxide. Vitamin K is an important factor in the normal function of the coagulation system.