Columbia subject headings:
Ionizing radiation--Physiological effect--Congresses.
Nuclear medicine--Congresses.
Radiobiology--Congresses.
Radioisotopes in agriculture--Congresses.
Harvard subject headings:
Ionizing radiation--Physiological effect--Congresses.
Nuclear medicine--Congresses
Radiobiology--Congresses.
Radioisotopes in agriculture--Congresses.
Princeton subject headings:
Ionizing radiation--Congresses.
Medical radiology--Congresses.
Radioisotopes--Industrial applications--Congresses.