The usage of radioactive luminous compound and the need for biological monitoring of workers.
D000328:Adult; D004781:Environmental Exposure; D006801:Humans; D011399:Promethium; D011834:Radiation Monitoring; D011883:Radium / Q000633:toxicity*; D014316:Tritium / Q000633:toxicity*; D006113:United Kingdom
D014316:Tritium; D011883:Radium; D011399:Promethium