%0 Conference Proceedings %T Reducing the Effective Dose Equivalent on 5 Year- Old ORNL Phantom by the Use of Γ-Shields on in Vivo BCA Facility %A Araghian, Na %A Miri Hakimabad, Seyyed Hashem %A Rafat Motavali, Laleh %J The 1st MEFOMP International Conference of Medical Physics %D 2011