title: Compensating filter design using megavoltage radiography.
mesh_terms: D003720:Densitometry; D005374:Filtration / Q000295:instrumentation*; D006801:Humans; D011879:Radiotherapy Dosage; D011882:Radiotherapy, High-Energy / Q000295:instrumentation*; D013679:Technology, Radiologic / Q000295:instrumentation