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Use "micrograms" in a sentence
"Inhaled steroids are dosed in micrograms (it takes 1000 micrograms to equal 1 milligram)."
"While a micrograms is just 1/1000th of a milligram, cadmium is toxic enough that even small amounts matter."
"Five hundred micrograms, which is the amount that can fit on the -- the head of a pin, for example, is enough, if injected into somebody, that can actually kill, for example, a 175 - pound man within a few days."