Seco Joao, Evans Phil M
Francis H. Burr Proton Therapy Center, Massachusetts General Hospital, Harvard Medical School, 30 Fruit Street, Boston, Massachusetts 02114.
Joint Department of Physics, Institute of Cancer Research and The Royal Marsden NHS Foundation Trust, Downs Road, Sutton, Surry, SM2 5PT United Kingdom.
Med Phys. 2007 Jul;34(7):3121. doi: 10.1118/1.2739809.