A gravity-oriented-device for IMRT can never rival other IMRT delivery methods.
Webb
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D006112:Gravitation; D006801:Humans; D008962:Models, Theoretical; D017785:Photons; D011879:Radiotherapy Dosage; D011880:Radiotherapy Planning, Computer-Assisted / Q000379:methods; D020266:Radiotherapy, Conformal / Q000379:methods*; D012984:Software; D014057:Tomography, X-Ray Computed / Q000379:methods; D014965:X-Rays