Hard battles on radiation safety.
D004307:Dose-Response Relationship, Radiation; D006801:Humans; D007391:International Cooperation; D007564:Japan; D008452:Maximum Allowable Concentration; D009381:Neoplasms, Radiation-Induced; D009784:Occupational Diseases / Q000209:etiology; D011832:Radiation Injuries / Q000517:prevention & control*; D011848:Radioactive Pollutants / Q000009:adverse effects*
D011848:Radioactive Pollutants