Characterization and certification of health physics technicians.
D000367:Age Factors; D002568:Certification / Q000592:standards*; D005191:Family Characteristics; D006077:Government Agencies; D006283:Health Physics / Q000193:education / Q000592:standards; D009790:Occupations; D011835:Radiation Protection; D012737:Sex Factors; D013679:Technology, Radiologic / Q000592:standards*