Radiation Safety measures 65 Measurement 19 Medical physics 16 Radiation dosimetry 10 Physiological effect 8 Radiation sources 8 Ionizing radiation 7 Microwaves 7 Nuclear counters 7 Radiation injuries 7 Radio frequency 7 Engineering 6 Health aspects 6 Industrial applications 6 Biomedical engineering 5 Dosage 5 Radioactivity 5 Instruments 4 Nuclear power plants 4 Nuclear reactors 4 Prevention 4 Sound 4 Sound-waves 4 Transmission 4 Acoustics 3 Congresses 3 Environmental aspects 3 Health Physics 3 Nuclear crisis control 3