Columbia subject headings:
Fluorine--Toxicology.
Hydrogen fluoride--Physiological effect.
Pharmacology.
Uranium--Toxicology.
Harvard subject headings:
Fluorine--Toxicology
Uranium compounds--Toxicology.
Uranium compounds.
Uranium--Toxicology.
Princeton subject headings:
Fluorine--Toxicology.
Uranium--Toxicology.