[Possibility for increasing efficiency of beta-ray applicator with the aid of a lead screen reflector].
D006801:Humans; D011878:Radiotherapy / Q000295:instrumentation*
RADIOTHERAPY/apparatus and instruments
O vozmozhnosti uvelicheniia moshchnosti beta-izlucheniia applikatora pri pomoshchi svintsovykh ekranov-otra-zhatelei.