Elsevier Inc. warfarin side effects warfarin pharmacodynamics pathway ---| Thrombosis warfarin pharmacodynamics pathway ---| Thromboembolism warfarin pharmacodynamics pathway ---| coagulation cascade pathway Osteoporosis warfarin warfarin pharmacodynamics pathway warfarin pharmacokinetics pathway vitamin K cycle pathway coagulation cascade pathway Thromboembolism Thrombosis warfarin pharmacodynamics pathway --+> Cerebral Hemorrhage warfarin pharmacodynamics pathway --+> warfarin necrosis warfarin pharmacodynamics pathway --+> Osteoporosis warfarin necrosis warfarin ---> warfarin pharmacokinetics pathway warfarin ---> warfarin pharmacodynamics pathway Cerebral Hemorrhage warfarin pharmacodynamics pathway ---| vitamin K cycle pathway