Search results with tag "A renewed challenge"

Cobalt-60: An Old Modality, A Renewed Challenge

Cobalt-60: An Old Modality, A Renewed Challenge Van Dyk and Battista 6 normal tissue type4,49, it is not unreasonable to produce a 10% change in response by a 5% change in dose, i.e., γ 50 = 2. The net effect of this is that even a large geometric penumbra of 1.6 cm as might

  Challenges, Renewed, Modality, Old modality, A renewed challenge