Isodoses for the variable wedge filter of the Siemens-"Gammatron 2".
D003036:Cobalt Isotopes / Q000008:administration & dosage; D005374:Filtration; D007854:Lead; D008954:Models, Biological; D011874:Radiometry; D011879:Radiotherapy Dosage / Q000295:instrumentation*; D013679:Technology, Radiologic
D003036:Cobalt Isotopes; D007854:Lead