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Which of the following discoveries happened most recently? First type of contact lens First open heart surgery Laser eye surgery Measles vaccine

Which of the following discoveries happened most recently? First type of contact lens First open heart surgery Laser eye surgery Measles vaccine
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Which of the following discoveries happened most recently?

First type of contact lens
First open heart surgery
Laser eye surgery
Measles vaccine

User Vikast
by
8.8k points

1 Answer

2 votes
I think the answer is measles vaccine.
User Nate Parsons
by
7.4k points
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