What are the radioactive sources in medical institutions and which devices are radioactive?

GBZ 121-2002 Health Protection Standard for Brachytherapy of Rear-mounted Gamma Sources

State Environmental Protection Administration Decree No. 31 Measures for the Administration of Safety Licenses for Radioisotopes and Radiation Devices

State Council Decree No. 449 Regulations on the Safety and Protection of Radioisotopes and Radiation Devices

Ministry of Health Decree No. 46 Regulations on the Administration of Radiological Treatments Regulations

X-ray photography (filming), fluoroscopy machine, gamma knife, CT, molybdenum-palladium machine, dental film machine, I132, C-arm, electron accelerator