Columbia subject headings:
Cancer--Epidemiology--Research--Evaluation.
Ionizing radiation--Toxicology--Research--Evaluation.
Harvard subject headings:
Cancer--Epidemiology--Research--Evaluation.
Ionizing radiation--Toxicology--Research--Evaluation.
Radioactivity--Safety measures--Congresses.
Princeton subject headings:
Cancer--Epidemiology--Research--Evaluation.
Ionizing radiation--Toxicology--Research--Evaluation.