Doramad radioactive toothpaste was produced during World War II by Auergesellschaft of Berlin. The same company founded by Carl Auer von Welsbach who invented the gas lantern mantle!
A gamma spectroscopy analysis did reveal trace quantities of thorium, but the levels are too low to be detected with a simple hand-held survey meter.
Надёжное средство. Кариес исчезает вместе с зубами...
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