题目内容
More than _________ corneal transplants were performed in the US in 2017.
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More than ___ million tissue transplants are performed in the US each year.
In 2018, there were 17.553 living and deceased donors in the US, and _______ were living donors.
In 2018, more than _____ million people over the age of 18 had registered as organ donors (54% of all US adults).
In the state of ________________ of the US, 93% of the population is registered as organ donors.
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