TY - GEN AU - Diffenderfer,Eric S AU - Ainsley,Christopher G AU - Kirk,Maura L AU - McDonough,James E AU - Maughan,Richard L TI - Comparison of secondary neutron dose in proton therapy resulting from the use of a tungsten alloy MLC or a brass collimator system SN - 0094-2405 PY - 2012///0118 KW - Alloys KW - Copper KW - Neutrons KW - Proton Therapy KW - Radiometry KW - instrumentation KW - Radiotherapy KW - methods KW - Radiotherapy Dosage KW - Tungsten KW - Zinc N1 - Publication Type: Comparative Study; Journal Article; Research Support, U.S. Gov't, Non-P.H.S UR - https://doi.org/10.1118/1.3656025 ER -