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. Author manuscript; available in PMC: 2011 May 2.
Published in final edited form as: Radiat Meas. 2010 Dec 1;45(10):1367–1368. doi: 10.1016/j.radmeas.2010.05.022

Fig. 1.

Fig. 1

Dose distribution in a plane parallel to the circular mono-energetic 140 MeV proton field calculated with GEANT4 (top) and FDC (bottom) for a patient being treated for lung cancer.