11. Robyn has dedicated the past 25 years to empowering people to be effective agents of change. 12. Other research by Steenbock identified iron and copper as effective agents in the treatment of anemia. 13. I think this is an effective agent . 14. Cathy shifted from being an individual victim of police harassment and racism to becoming an effective agent of change, 15. As the effective agent of Philip's interventionist foreign policy, Mendoza acted in concert with the Henri III demanded his recall. 16. Octatropine has been superseded by more effective agents in the treatment of peptic ulcer disease, and is no longer used. 17. Rep . Christopher Shays, a Connecticut Republican, said Democrats were attacking Gingrich because he was an effective agent of change. 18. It is no longer clinically used for this indication in the USA as less toxic and more effective agents are available. 19. Hendrickson said, " but the better we understand this culprit the more likely it is that effective agents can be designed ." 20. The magnesium was also provided as a metabolic inhibitor following Kamiyama's demonstration that it was an effective agent in dog heart preservation.