GBZ(卫生) 121-2017 Radiological protection requirements for γ-ray source afterloading brachytherapy
This standard specifies the radiation protection requirements for afterloading γ-ray source brachytherapy (hereinafter referred to as "afterloading therapy") equipment, treatment rooms, and the implementation of afterloading therapy.
This standard applies to the practice of afterloading γ-ray source brachytherapy.