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Effects of filters and wedges on skin sparing and gamma/neutron dose ratios in neutron teletherapy
Author(s) -
Smathers J.,
Graves R.,
Almond P.,
Otte V.,
Grant W.
Publication year - 1980
Publication title -
medical physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.473
H-Index - 180
eISSN - 2473-4209
pISSN - 0094-2405
DOI - 10.1118/1.594652
Subject(s) - neutron , nuclear medicine , dosimetry , materials science , neutron source , radiochemistry , nuclear physics , physics , medicine , chemistry
The effects of skin sparing and the gamma/neutron dose ratios in the clinical situations presently in use at the TAMVEC neutron teletherapy facility are not appreciably affected by the presence of filters and/or wedges. It is also shown that if skin sparing is lost due to close proximity of a hydrogenous scattering source, it can be restored by the use of thin lead filters.