[Characteristics of a collimated beam of radiation of the gamma-therapeutic apparatus].
D005720:Gamma Rays; D008962:Models, Theoretical; D011878:Radiotherapy / Q000295:instrumentation*; D013679:Technology, Radiologic / Q000295:instrumentation*
Osobennosti kollimirovannogo puchka izlucheniia gamma-terapevticheskogo apparata.