title: [Practical issues in revision of radiation hazards prevention regulations of hospitals regarding radioactivation of medical accelerators; accompanying the revision of law concerning prevention from radiation hazards due to radioisotopes, etc., which come into force on April 1, 2012 in Japan].
mesh_terms: D006761:Hospitals; D007564:Japan; D010315:Particle Accelerators / Q000331:legislation & jurisprudence; D011850:Radioactive Waste / Q000331:legislation & jurisprudence*; D011868:Radioisotopes
chemical_list: D011850:Radioactive Waste; D011868:Radioisotopes