Classification
HYG - Occupational medicine, sports medicine
23
HPT - Toxicology
4
HCI - Radiation biology, dosimetry
1
HDG - Psychology, psychiatry
1
HYB - Public health, health politics
1
HYH - Traumatology, emergency medicine, disasters
1
TIF - Industrial ( occupational ) safety
1
YFA - Labour legislation
1
YFF - Industrial safety regulations
1